Search a number
-
+
4444075397 is a prime number
BaseRepresentation
bin1000010001110001…
…10011010110000101
3102110201022102101002
410020320303112011
533100140403042
62012551543045
7215062006016
oct41070632605
912421272332
104444075397
111980623693
12a4038aa85
1355a925818
1430230d00d
151b0243132
hex108e33585

4444075397 has 2 divisors, whose sum is σ = 4444075398. Its totient is φ = 4444075396.

The previous prime is 4444075393. The next prime is 4444075399. The reversal of 4444075397 is 7935704444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3913878721 + 530196676 = 62561^2 + 23026^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444075397 - 22 = 4444075393 is a prime.

It is a super-2 number, since 2×44440753972 = 39499612268441415218, which contains 22 as substring.

Together with 4444075399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444075393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222037698 + 2222037699.

It is an arithmetic number, because the mean of its divisors is an integer number (2222037699).

Almost surely, 24444075397 is an apocalyptic number.

It is an amenable number.

4444075397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444075397 is an equidigital number, since it uses as much as digits as its factorization.

4444075397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The square root of 4444075397 is about 66663.8987533733. The cubic root of 4444075397 is about 1644.0958741642.

The spelling of 4444075397 in words is "four billion, four hundred forty-four million, seventy-five thousand, three hundred ninety-seven".