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38635017097 is a prime number
BaseRepresentation
bin100011111110110100…
…111001001110001001
310200201112121012222011
4203332310321032021
51113111031021342
625425414255521
72535261140545
oct437664711611
9120645535864
1038635017097
11154265071a6
1275a29575a1
133849344581
141c271b2a25
151011c5c717
hex8fed39389

38635017097 has 2 divisors, whose sum is σ = 38635017098. Its totient is φ = 38635017096.

The previous prime is 38635017089. The next prime is 38635017143. The reversal of 38635017097 is 79071053683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36192779536 + 2442237561 = 190244^2 + 49419^2 .

It is an emirp because it is prime and its reverse (79071053683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38635017097 - 23 = 38635017089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38635017097.

It is not a weakly prime, because it can be changed into another prime (38635017007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19317508548 + 19317508549.

It is an arithmetic number, because the mean of its divisors is an integer number (19317508549).

Almost surely, 238635017097 is an apocalyptic number.

It is an amenable number.

38635017097 is a deficient number, since it is larger than the sum of its proper divisors (1).

38635017097 is an equidigital number, since it uses as much as digits as its factorization.

38635017097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 38635017097 in words is "thirty-eight billion, six hundred thirty-five million, seventeen thousand, ninety-seven".