61319154994 has 8 divisors (see below), whose sum is σ = 91980822528. Its totient is φ = 30658880820.

The previous prime is 61319154977. The next prime is 61319155033. The reversal of 61319154994 is 49945191316.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 230322 + ... + 419149.

It is an arithmetic number, because the mean of its divisors is an integer number (11497602816).

Almost surely, 2^61319154994 is an apocalyptic number.

61319154994 is a deficient number, since it is larger than the sum of its proper divisors (30661667534).

61319154994 is a wasteful number, since it uses less digits than its factorization.

61319154994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696680.

The product of its digits is 1049760, while the sum is 52.

The spelling of 61319154994 in words is "sixty-one billion, three hundred nineteen million, one hundred fifty-four thousand, nine hundred ninety-four".