10021669475 has 6 divisors (see below), whose sum is σ = 12426870180. Its totient is φ = 8017335560.

The previous prime is 10021669433. The next prime is 10021669487. The reversal of 10021669475 is 57496612001.

It is a de Polignac number, because none of the positive numbers 2^k-10021669475 is a prime.

It is a super-2 number, since 2×10021669475² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200433365 + ... + 200433414.

It is an arithmetic number, because the mean of its divisors is an integer number (2071145030).

Almost surely, 2^10021669475 is an apocalyptic number.

10021669475 is a deficient number, since it is larger than the sum of its proper divisors (2405200705).

10021669475 is an equidigital number, since it uses as much as digits as its factorization.

10021669475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400866789 (or 400866784 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 10021669475 in words is "ten billion, twenty-one million, six hundred sixty-nine thousand, four hundred seventy-five".