61413683500 has 48 divisors (see below), whose sum is σ = 144444998880. Its totient is φ = 22675819200.

The previous prime is 61413683491. The next prime is 61413683567. The reversal of 61413683500 is 538631416.

It is a self number, because there is not a number n which added to its sum of digits gives 61413683500.

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, 4717630 + ... + 4730629.

It is an arithmetic number, because the mean of its divisors is an integer number (3009270810).

Almost surely, 2^61413683500 is an apocalyptic number.

It is an amenable number.

61413683500 is an abundant number, since it is smaller than the sum of its proper divisors (83031315380).

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

61413683500 is a wasteful number, since it uses less digits than its factorization.

61413683500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448291 (or 9448279 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 61413683500 in words is "sixty-one billion, four hundred thirteen million, six hundred eighty-three thousand, five hundred".