61935897051 has 96 divisors (see below), whose sum is σ = 108144960000. Its totient is φ = 34928034624.

The previous prime is 61935897029. The next prime is 61935897059. The reversal of 61935897051 is 15079853916.

61935897051 is a `hidden beast` number, since 6 + 1 + 9 + 3 + 589 + 7 + 0 + 51 = 666.

It is not a de Polignac number, because 61935897051 - 2²³ = 61927508443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61935897059) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44270850 + ... + 44272248.

It is an arithmetic number, because the mean of its divisors is an integer number (1126510000).

Almost surely, 2^61935897051 is an apocalyptic number.

61935897051 is a deficient number, since it is larger than the sum of its proper divisors (46209062949).

61935897051 is a wasteful number, since it uses less digits than its factorization.

61935897051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 61935897051 in words is "sixty-one billion, nine hundred thirty-five million, eight hundred ninety-seven thousand, fifty-one".