21214036536488 has 32 divisors (see below), whose sum is σ = 40851928272000. Its totient is φ = 10320197055552.

The previous prime is 21214036536487. The next prime is 21214036536493. The reversal of 21214036536488 is 88463563041212.

It is not an unprimeable number, because it can be changed into a prime (21214036536487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22340813 + ... + 23271011.

It is an arithmetic number, because the mean of its divisors is an integer number (1276622758500).

Almost surely, 2^{21214036536488} is an apocalyptic number.

It is an amenable number.

21214036536488 is a deficient number, since it is larger than the sum of its proper divisors (19637891735512).

21214036536488 is a wasteful number, since it uses less digits than its factorization.

21214036536488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007289 (or 1007285 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 21214036536488 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-six thousand, four hundred eighty-eight".