6462537138 has 48 divisors (see below), whose sum is σ = 14276522520. Its totient is φ = 2112314112.

The previous prime is 6462537041. The next prime is 6462537157. The reversal of 6462537138 is 8317352646.

6462537138 is a `hidden beast` number, since 6 + 4 + 625 + 3 + 7 + 13 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6206761089 + 255776049 = 78783^2 + 15993^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6462537093 and 6462537102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213108 + ... + 241536.

Almost surely, 2^6462537138 is an apocalyptic number.

6462537138 is an abundant number, since it is smaller than the sum of its proper divisors (7813985382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6462537138 is a wasteful number, since it uses less digits than its factorization.

6462537138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28683 (or 28680 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 6462537138 is about 80389.9069411080. The cubic root of 6462537138 is about 1862.6632693711.

The spelling of 6462537138 in words is "six billion, four hundred sixty-two million, five hundred thirty-seven thousand, one hundred thirty-eight".