61634089683 has 24 divisors (see below), whose sum is σ = 93728819600. Its totient is φ = 38920077504.

The previous prime is 61634089681. The next prime is 61634089697. The reversal of 61634089683 is 38698043616.

It is not a de Polignac number, because 61634089683 - 2¹ = 61634089681 is a prime.

It is a super-2 number, since 2×61634089683² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61634089681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1078341 + ... + 1134057.

Almost surely, 2^61634089683 is an apocalyptic number.

61634089683 is a deficient number, since it is larger than the sum of its proper divisors (32094729917).

61634089683 is a wasteful number, since it uses less digits than its factorization.

61634089683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62211 (or 62208 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 61634089683 in words is "sixty-one billion, six hundred thirty-four million, eighty-nine thousand, six hundred eighty-three".