61935545364 has 48 divisors (see below), whose sum is σ = 180176134656. Its totient is φ = 16087154400.

The previous prime is 61935545359. The next prime is 61935545381. The reversal of 61935545364 is 46354553916.

61935545364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61935545364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33513982 + ... + 33515829.

It is an arithmetic number, because the mean of its divisors is an integer number (3753669472).

Almost surely, 2^61935545364 is an apocalyptic number.

It is an amenable number.

61935545364 is an abundant number, since it is smaller than the sum of its proper divisors (118240589292).

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

61935545364 is a wasteful number, since it uses less digits than its factorization.

61935545364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67029836 (or 67029834 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 51.

The spelling of 61935545364 in words is "sixty-one billion, nine hundred thirty-five million, five hundred forty-five thousand, three hundred sixty-four".