21813677702462 has 8 divisors (see below), whose sum is σ = 32720685996792. Its totient is φ = 10906782370200.

The previous prime is 21813677702437. The next prime is 21813677702519. The reversal of 21813677702462 is 26420777631812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21813677702462² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21813677702398 and 21813677702407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27756089 + ... + 28531172.

It is an arithmetic number, because the mean of its divisors is an integer number (4090085749599).

Almost surely, 2^{21813677702462} is an apocalyptic number.

21813677702462 is a deficient number, since it is larger than the sum of its proper divisors (10907008294330).

21813677702462 is a wasteful number, since it uses less digits than its factorization.

21813677702462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56481034.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 21813677702462 in words is "twenty-one trillion, eight hundred thirteen billion, six hundred seventy-seven million, seven hundred two thousand, four hundred sixty-two".