21462858472153 has 8 divisors (see below), whose sum is σ = 24824511004608. Its totient is φ = 18175088413104.

The previous prime is 21462858472141. The next prime is 21462858472169. The reversal of 21462858472153 is 35127485826412.

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

It is not a de Polignac number, because 21462858472153 - 2²¹ = 21462856375001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21462858472103) 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, 18470617726 + ... + 18470618887.

It is an arithmetic number, because the mean of its divisors is an integer number (3103063875576).

Almost surely, 2^{21462858472153} is an apocalyptic number.

It is an amenable number.

21462858472153 is a deficient number, since it is larger than the sum of its proper divisors (3361652532455).

21462858472153 is an equidigital number, since it uses as much as digits as its factorization.

21462858472153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36941236703.

The product of its digits is 25804800, while the sum is 58.

The spelling of 21462858472153 in words is "twenty-one trillion, four hundred sixty-two billion, eight hundred fifty-eight million, four hundred seventy-two thousand, one hundred fifty-three".