61393174484 has 6 divisors (see below), whose sum is σ = 107438055354. Its totient is φ = 30696587240.

The previous prime is 61393174441. The next prime is 61393174607. The reversal of 61393174484 is 48447139316.

It can be written as a sum of positive squares in only one way, i.e., 58022210884 + 3370963600 = 240878^2 + 58060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674146807 + ... + 7674146814.

It is an arithmetic number, because the mean of its divisors is an integer number (17906342559).

Almost surely, 2^61393174484 is an apocalyptic number.

It is an amenable number.

61393174484 is a deficient number, since it is larger than the sum of its proper divisors (46044880870).

61393174484 is a wasteful number, since it uses less digits than its factorization.

61393174484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348293625 (or 15348293623 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The spelling of 61393174484 in words is "sixty-one billion, three hundred ninety-three million, one hundred seventy-four thousand, four hundred eighty-four".