6475399496 has 8 divisors (see below), whose sum is σ = 12141374070. Its totient is φ = 3237699744.

The previous prime is 6475399477. The next prime is 6475399517. The reversal of 6475399496 is 6949935746.

It can be written as a sum of positive squares in only one way, i.e., 5942251396 + 533148100 = 77086^2 + 23090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404712461 + ... + 404712476.

Almost surely, 2^6475399496 is an apocalyptic number.

It is an amenable number.

6475399496 is a deficient number, since it is larger than the sum of its proper divisors (5665974574).

6475399496 is a wasteful number, since it uses less digits than its factorization.

6475399496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809424943 (or 809424939 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 62.

The square root of 6475399496 is about 80469.8670062279. The cubic root of 6475399496 is about 1863.8982004920.

The spelling of 6475399496 in words is "six billion, four hundred seventy-five million, three hundred ninety-nine thousand, four hundred ninety-six".