16412145389 has 32 divisors (see below), whose sum is σ = 18466473312. Its totient is φ = 14515200000.

The previous prime is 16412145329. The next prime is 16412145419. The reversal of 16412145389 is 98354121461.

It can be written as a sum of positive squares in 16 ways, for example, as 45292900 + 16366852489 = 6730^2 + 127933^2 .

It is a cyclic number.

It is not a de Polignac number, because 16412145389 - 2⁸ = 16412145133 is a prime.

It is a super-2 number, since 2×16412145389² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16412145319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2601539 + ... + 2607839.

It is an arithmetic number, because the mean of its divisors is an integer number (577077291).

Almost surely, 2^16412145389 is an apocalyptic number.

It is an amenable number.

16412145389 is a deficient number, since it is larger than the sum of its proper divisors (2054327923).

16412145389 is a wasteful number, since it uses less digits than its factorization.

16412145389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497.

The product of its digits is 207360, while the sum is 44.

The spelling of 16412145389 in words is "sixteen billion, four hundred twelve million, one hundred forty-five thousand, three hundred eighty-nine".