30646747642 has 32 divisors (see below), whose sum is σ = 55331107200. Its totient is φ = 12436581888.

The previous prime is 30646747619. The next prime is 30646747751. The reversal of 30646747642 is 24674764603.

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, 501234 + ... + 559042.

It is an arithmetic number, because the mean of its divisors is an integer number (1729097100).

Almost surely, 2^30646747642 is an apocalyptic number.

30646747642 is a deficient number, since it is larger than the sum of its proper divisors (24684359558).

30646747642 is a wasteful number, since it uses less digits than its factorization.

30646747642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59830.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 30646747642 in words is "thirty billion, six hundred forty-six million, seven hundred forty-seven thousand, six hundred forty-two".