61362833644 has 12 divisors (see below), whose sum is σ = 122725667344. Its totient is φ = 26298357264.

The previous prime is 61362833627. The next prime is 61362833669. The reversal of 61362833644 is 44633826316.

It is a happy number.

61362833644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61362833594 and 61362833603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095764859 + ... + 1095764914.

Almost surely, 2^61362833644 is an apocalyptic number.

It is an amenable number.

61362833644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61362833644 is a wasteful number, since it uses less digits than its factorization.

61362833644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191529784 (or 2191529782 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 46.

The spelling of 61362833644 in words is "sixty-one billion, three hundred sixty-two million, eight hundred thirty-three thousand, six hundred forty-four".