21060904754 has 16 divisors (see below), whose sum is σ = 32929441728. Its totient is φ = 10092920112.

The previous prime is 21060904729. The next prime is 21060904771. The reversal of 21060904754 is 45740906012.

21060904754 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 2118974 + ... + 2128889.

It is an arithmetic number, because the mean of its divisors is an integer number (2058090108).

Almost surely, 2^21060904754 is an apocalyptic number.

21060904754 is a deficient number, since it is larger than the sum of its proper divisors (11868536974).

21060904754 is a wasteful number, since it uses less digits than its factorization.

21060904754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247969.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 21060904754 in words is "twenty-one billion, sixty million, nine hundred four thousand, seven hundred fifty-four".