49456915187 has 2 divisors, whose sum is σ = 49456915188. Its totient is φ = 49456915186.

The previous prime is 49456915159. The next prime is 49456915213. The reversal of 49456915187 is 78151965494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49456915187 - 2²⁸ = 49188479731 is a prime.

It is a super-2 number, since 2×49456915187² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49456915147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24728457593 + 24728457594.

It is an arithmetic number, because the mean of its divisors is an integer number (24728457594).

Almost surely, 2^49456915187 is an apocalyptic number.

49456915187 is a deficient number, since it is larger than the sum of its proper divisors (1).

49456915187 is an equidigital number, since it uses as much as digits as its factorization.

49456915187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 59.

The spelling of 49456915187 in words is "forty-nine billion, four hundred fifty-six million, nine hundred fifteen thousand, one hundred eighty-seven".