21073008637702 has 16 divisors (see below), whose sum is σ = 36143193238272. Its totient is φ = 9026780522760.

The previous prime is 21073008637669. The next prime is 21073008637739. The reversal of 21073008637702 is 20773680037012.

It is a congruent number.

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, 375712074 + ... + 375768157.

It is an arithmetic number, because the mean of its divisors is an integer number (2258949577392).

Almost surely, 2^{21073008637702} is an apocalyptic number.

21073008637702 is a deficient number, since it is larger than the sum of its proper divisors (15070184600570).

21073008637702 is a wasteful number, since it uses less digits than its factorization.

21073008637702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751482243.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 21073008637702 in words is "twenty-one trillion, seventy-three billion, eight million, six hundred thirty-seven thousand, seven hundred two".