49197077659 has 2 divisors, whose sum is σ = 49197077660. Its totient is φ = 49197077658.

The previous prime is 49197077627. The next prime is 49197077689. The reversal of 49197077659 is 95677079194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49197077659 - 2⁵ = 49197077627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49197077659.

It is not a weakly prime, because it can be changed into another prime (49197077689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24598538829 + 24598538830.

It is an arithmetic number, because the mean of its divisors is an integer number (24598538830).

Almost surely, 2^49197077659 is an apocalyptic number.

49197077659 is a deficient number, since it is larger than the sum of its proper divisors (1).

49197077659 is an equidigital number, since it uses as much as digits as its factorization.

49197077659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30005640, while the sum is 64.

The spelling of 49197077659 in words is "forty-nine billion, one hundred ninety-seven million, seventy-seven thousand, six hundred fifty-nine".