6413247508 has 6 divisors (see below), whose sum is σ = 11223183146. Its totient is φ = 3206623752.

The previous prime is 6413247487. The next prime is 6413247509. The reversal of 6413247508 is 8057423146.

It can be written as a sum of positive squares in only one way, i.e., 5962619524 + 450627984 = 77218^2 + 21228^2 .

It is a super-2 number, since 2×6413247508² = 82259487197736420128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413247509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801655935 + ... + 801655942.

Almost surely, 2^6413247508 is an apocalyptic number.

It is an amenable number.

6413247508 is a deficient number, since it is larger than the sum of its proper divisors (4809935638).

6413247508 is a wasteful number, since it uses less digits than its factorization.

6413247508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603311881 (or 1603311879 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 6413247508 is about 80082.7541234691. The cubic root of 6413247508 is about 1857.9156815234.

The spelling of 6413247508 in words is "six billion, four hundred thirteen million, two hundred forty-seven thousand, five hundred eight".