61093621692 has 36 divisors (see below), whose sum is σ = 154716603496. Its totient is φ = 20326891680.

The previous prime is 61093621681. The next prime is 61093621717. The reversal of 61093621692 is 29612639016.

61093621692 is a `hidden beast` number, since 6 + 10 + 9 + 3 + 621 + 6 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×61093621692² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1548958 + ... + 1587909.

Almost surely, 2^61093621692 is an apocalyptic number.

It is an amenable number.

61093621692 is an abundant number, since it is smaller than the sum of its proper divisors (93622981804).

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

61093621692 is a wasteful number, since it uses less digits than its factorization.

61093621692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137418 (or 3137413 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 61093621692 in words is "sixty-one billion, ninety-three million, six hundred twenty-one thousand, six hundred ninety-two".