8697219923021 has 16 divisors (see below), whose sum is σ = 10007565033600. Its totient is φ = 7403949063168.

The previous prime is 8697219923011. The next prime is 8697219923023. The reversal of 8697219923021 is 1203299127968.

It is not a de Polignac number, because 8697219923021 - 2¹⁰ = 8697219921997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697219923023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276260 + ... + 5303613.

It is an arithmetic number, because the mean of its divisors is an integer number (625472814600).

Almost surely, 2^{8697219923021} is an apocalyptic number.

It is an amenable number.

8697219923021 is a deficient number, since it is larger than the sum of its proper divisors (1310345110579).

8697219923021 is a wasteful number, since it uses less digits than its factorization.

8697219923021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580868.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 8697219923021 in words is "eight trillion, six hundred ninety-seven billion, two hundred nineteen million, nine hundred twenty-three thousand, twenty-one".