16433475425 has 12 divisors (see below), whose sum is σ = 21576187116. Its totient is φ = 12373440000.

The previous prime is 16433475389. The next prime is 16433475431. The reversal of 16433475425 is 52457433461.

It can be written as a sum of positive squares in 6 ways, for example, as 267878689 + 16165596736 = 16367^2 + 127144^2 .

It is not a de Polignac number, because 16433475425 - 2⁸ = 16433475169 is a prime.

It is a super-2 number, since 2×16433475425² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19333076 + ... + 19333925.

It is an arithmetic number, because the mean of its divisors is an integer number (1798015593).

Almost surely, 2^16433475425 is an apocalyptic number.

It is an amenable number.

16433475425 is a deficient number, since it is larger than the sum of its proper divisors (5142711691).

16433475425 is a wasteful number, since it uses less digits than its factorization.

16433475425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38667028 (or 38667023 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 16433475425 in words is "sixteen billion, four hundred thirty-three million, four hundred seventy-five thousand, four hundred twenty-five".