61929132417 has 32 divisors (see below), whose sum is σ = 92137656960. Its totient is φ = 41110614720.

The previous prime is 61929132409. The next prime is 61929132457. The reversal of 61929132417 is 71423192916.

61929132417 is a `hidden beast` number, since 61 + 92 + 91 + 3 + 2 + 417 = 666.

It is not a de Polignac number, because 61929132417 - 2³ = 61929132409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61929132457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6394783 + ... + 6404459.

It is an arithmetic number, because the mean of its divisors is an integer number (2879301780).

Almost surely, 2^61929132417 is an apocalyptic number.

It is an amenable number.

61929132417 is a deficient number, since it is larger than the sum of its proper divisors (30208524543).

61929132417 is a wasteful number, since it uses less digits than its factorization.

61929132417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670 (or 10664 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The spelling of 61929132417 in words is "sixty-one billion, nine hundred twenty-nine million, one hundred thirty-two thousand, four hundred seventeen".