21460396010 has 16 divisors (see below), whose sum is σ = 38663315496. Its totient is φ = 8576468928.

The previous prime is 21460396007. The next prime is 21460396033. The reversal of 21460396010 is 1069306412.

It can be written as a sum of positive squares in 4 ways, for example, as 11538841561 + 9921554449 = 107419^2 + 99607^2 .

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, 949457 + ... + 971796.

Almost surely, 2^21460396010 is an apocalyptic number.

21460396010 is a deficient number, since it is larger than the sum of its proper divisors (17202919486).

21460396010 is a wasteful number, since it uses less digits than its factorization.

21460396010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922377.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 21460396010 in words is "twenty-one billion, four hundred sixty million, three hundred ninety-six thousand, ten".