21363610510 has 32 divisors (see below), whose sum is σ = 41969549952. Its totient is φ = 7765032480.

The previous prime is 21363610501. The next prime is 21363610549. The reversal of 21363610510 is 1501636312.

It is a congruent number.

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, 203437 + ... + 290023.

It is an arithmetic number, because the mean of its divisors is an integer number (1311548436).

Almost surely, 2^21363610510 is an apocalyptic number.

21363610510 is a deficient number, since it is larger than the sum of its proper divisors (20605939442).

21363610510 is a wasteful number, since it uses less digits than its factorization.

21363610510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88848.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 21363610510 in words is "twenty-one billion, three hundred sixty-three million, six hundred ten thousand, five hundred ten".