2638183347097 has 2 divisors, whose sum is σ = 2638183347098. Its totient is φ = 2638183347096.

The previous prime is 2638183347049. The next prime is 2638183347227. The reversal of 2638183347097 is 7907433818362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2625255429696 + 12927917401 = 1620264^2 + 113701^2 .

It is a cyclic number.

It is not a de Polignac number, because 2638183347097 - 2³⁹ = 2088427533209 is a prime.

It is a super-2 number, since 2×2638183347097² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2638183347047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319091673548 + 1319091673549.

It is an arithmetic number, because the mean of its divisors is an integer number (1319091673549).

Almost surely, 2^{2638183347097} is an apocalyptic number.

It is an amenable number.

2638183347097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638183347097 is an equidigital number, since it uses as much as digits as its factorization.

2638183347097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 2638183347097 in words is "two trillion, six hundred thirty-eight billion, one hundred eighty-three million, three hundred forty-seven thousand, ninety-seven".