6445414623 has 32 divisors (see below), whose sum is σ = 8855202304. Its totient is φ = 4168806912.

The previous prime is 6445414603. The next prime is 6445414643. The reversal of 6445414623 is 3264145446.

It is an interprime number because it is at equal distance from previous prime (6445414603) and next prime (6445414643).

It is not a de Polignac number, because 6445414623 - 2²⁴ = 6428637407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445414603) 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, 3675915 + ... + 3677667.

It is an arithmetic number, because the mean of its divisors is an integer number (276725072).

Almost surely, 2^6445414623 is an apocalyptic number.

6445414623 is a deficient number, since it is larger than the sum of its proper divisors (2409787681).

6445414623 is a wasteful number, since it uses less digits than its factorization.

6445414623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its digits is 276480, while the sum is 39.

The square root of 6445414623 is about 80283.3396353191. The cubic root of 6445414623 is about 1861.0167700722.

The spelling of 6445414623 in words is "six billion, four hundred forty-five million, four hundred fourteen thousand, six hundred twenty-three".