6345945416 has 16 divisors (see below), whose sum is σ = 12308946300. Its totient is φ = 3063559744.

The previous prime is 6345945409. The next prime is 6345945421. The reversal of 6345945416 is 6145495436.

It can be written as a sum of positive squares in 2 ways, for example, as 5512468516 + 833476900 = 74246^2 + 28870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13676375 + ... + 13676838.

Almost surely, 2^6345945416 is an apocalyptic number.

It is an amenable number.

6345945416 is a deficient number, since it is larger than the sum of its proper divisors (5963000884).

6345945416 is a wasteful number, since it uses less digits than its factorization.

6345945416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27353248 (or 27353244 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The square root of 6345945416 is about 79661.4424674823. The cubic root of 6345945416 is about 1851.3936823227.

The spelling of 6345945416 in words is "six billion, three hundred forty-five million, nine hundred forty-five thousand, four hundred sixteen".