61913414475 has 96 divisors (see below), whose sum is σ = 124213716480. Its totient is φ = 29985552000.

The previous prime is 61913414461. The next prime is 61913414509. The reversal of 61913414475 is 57441431916.

61913414475 is a `hidden beast` number, since 6 + 191 + 3 + 414 + 47 + 5 = 666.

It is not a de Polignac number, because 61913414475 - 2⁶ = 61913414411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61913414475.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7576842 + ... + 7585008.

It is an arithmetic number, because the mean of its divisors is an integer number (1293892880).

Almost surely, 2^61913414475 is an apocalyptic number.

61913414475 is an abundant number, since it is smaller than the sum of its proper divisors (62300302005).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61913414475 is a wasteful number, since it uses less digits than its factorization.

61913414475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218 (or 9207 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 61913414475 in words is "sixty-one billion, nine hundred thirteen million, four hundred fourteen thousand, four hundred seventy-five".