Search a number
-
+
907444996397 is a prime number
BaseRepresentation
bin11010011010001111110…
…11111100100100101101
310012202021101212002022122
431031013323330210231
5104331421404341042
61532512515322325
7122363222126252
oct15150773744455
93182241762278
10907444996397
1131a933052885
12127a515b03a5
1367758029414
1431cc609b429
1518910e467d2
hexd347efc92d

907444996397 has 2 divisors, whose sum is σ = 907444996398. Its totient is φ = 907444996396.

The previous prime is 907444996379. The next prime is 907444996421. The reversal of 907444996397 is 793699444709.

Together with previous prime (907444996379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705825137956 + 201619858441 = 840134^2 + 449021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-907444996397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 907444996397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (907444996307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453722498198 + 453722498199.

It is an arithmetic number, because the mean of its divisors is an integer number (453722498199).

Almost surely, 2907444996397 is an apocalyptic number.

It is an amenable number.

907444996397 is a deficient number, since it is larger than the sum of its proper divisors (1).

907444996397 is an equidigital number, since it uses as much as digits as its factorization.

907444996397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370355328, while the sum is 71.

The spelling of 907444996397 in words is "nine hundred seven billion, four hundred forty-four million, nine hundred ninety-six thousand, three hundred ninety-seven".