61349946774 has 32 divisors (see below), whose sum is σ = 126965754720. Its totient is φ = 19739392512.

The previous prime is 61349946689. The next prime is 61349946821. The reversal of 61349946774 is 47764994316.

It is a congruent number.

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, 613504 + ... + 706460.

It is an arithmetic number, because the mean of its divisors is an integer number (3967679835).

Almost surely, 2^61349946774 is an apocalyptic number.

61349946774 is an abundant number, since it is smaller than the sum of its proper divisors (65615807946).

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

61349946774 is a wasteful number, since it uses less digits than its factorization.

61349946774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96784.

The product of its digits is 27433728, while the sum is 60.

The spelling of 61349946774 in words is "sixty-one billion, three hundred forty-nine million, nine hundred forty-six thousand, seven hundred seventy-four".