6445414377 has 24 divisors (see below), whose sum is σ = 9691665984. Its totient is φ = 4280562288.

The previous prime is 6445414373. The next prime is 6445414399. The reversal of 6445414377 is 7734145446.

6445414377 is a `hidden beast` number, since 64 + 4 + 541 + 43 + 7 + 7 = 666.

6445414377 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6445414377 - 2² = 6445414373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6445414373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13483 + ... + 114335.

It is an arithmetic number, because the mean of its divisors is an integer number (403819416).

Almost surely, 2^6445414377 is an apocalyptic number.

It is an amenable number.

6445414377 is a deficient number, since it is larger than the sum of its proper divisors (3246251607).

6445414377 is a wasteful number, since it uses less digits than its factorization.

6445414377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101131 (or 101119 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 6445414377 is about 80283.3381032453. The cubic root of 6445414377 is about 1861.0167463959.

The spelling of 6445414377 in words is "six billion, four hundred forty-five million, four hundred fourteen thousand, three hundred seventy-seven".