61064874342 has 24 divisors (see below), whose sum is σ = 132810307344. Its totient is φ = 20277561264.

The previous prime is 61064874329. The next prime is 61064874419. The reversal of 61064874342 is 24347846016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6444873 + ... + 6454340.

It is an arithmetic number, because the mean of its divisors is an integer number (5533762806).

Almost surely, 2^61064874342 is an apocalyptic number.

61064874342 is an abundant number, since it is smaller than the sum of its proper divisors (71745433002).

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

61064874342 is a wasteful number, since it uses less digits than its factorization.

61064874342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899484 (or 12899481 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 61064874342 in words is "sixty-one billion, sixty-four million, eight hundred seventy-four thousand, three hundred forty-two".