61534350474 has 16 divisors (see below), whose sum is σ = 123082780608. Its totient is φ = 20509103552.

The previous prime is 61534350467. The next prime is 61534350571. The reversal of 61534350474 is 47405343516.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529407 + ... + 635090.

It is an arithmetic number, because the mean of its divisors is an integer number (7692673788).

Almost surely, 2^61534350474 is an apocalyptic number.

61534350474 is an abundant number, since it is smaller than the sum of its proper divisors (61548430134).

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

61534350474 is a wasteful number, since it uses less digits than its factorization.

61534350474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173309.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 61534350474 in words is "sixty-one billion, five hundred thirty-four million, three hundred fifty thousand, four hundred seventy-four".