97639460911 has 2 divisors, whose sum is σ = 97639460912. Its totient is φ = 97639460910.

The previous prime is 97639460879. The next prime is 97639460923. The reversal of 97639460911 is 11906493679.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11906493679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97639460911 - 2⁵ = 97639460879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97639460311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48819730455 + 48819730456.

It is an arithmetic number, because the mean of its divisors is an integer number (48819730456).

Almost surely, 2^97639460911 is an apocalyptic number.

97639460911 is a deficient number, since it is larger than the sum of its proper divisors (1).

97639460911 is an equidigital number, since it uses as much as digits as its factorization.

97639460911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 97639460911 in words is "ninety-seven billion, six hundred thirty-nine million, four hundred sixty thousand, nine hundred eleven".