21463135610 has 64 divisors (see below), whose sum is σ = 44590521600. Its totient is φ = 7286146560.

The previous prime is 21463135601. The next prime is 21463135637. The reversal of 21463135610 is 1653136412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3449222 + ... + 3455438.

It is an arithmetic number, because the mean of its divisors is an integer number (696726900).

Almost surely, 2^21463135610 is an apocalyptic number.

21463135610 is an abundant number, since it is smaller than the sum of its proper divisors (23127385990).

21463135610 is a wasteful number, since it uses less digits than its factorization.

21463135610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 21463135610 in words is "twenty-one billion, four hundred sixty-three million, one hundred thirty-five thousand, six hundred ten".