61542060634 has 8 divisors (see below), whose sum is σ = 92316440160. Its totient is φ = 30769913916.

The previous prime is 61542060623. The next prime is 61542060661. The reversal of 61542060634 is 43606024516.

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

It is a junction number, because it is equal to n+sod(n) for n = 61542060593 and 61542060602.

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, 487504 + ... + 600619.

It is an arithmetic number, because the mean of its divisors is an integer number (11539555020).

Almost surely, 2^61542060634 is an apocalyptic number.

61542060634 is a deficient number, since it is larger than the sum of its proper divisors (30774379526).

61542060634 is a wasteful number, since it uses less digits than its factorization.

61542060634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116404.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 61542060634 in words is "sixty-one billion, five hundred forty-two million, sixty thousand, six hundred thirty-four".