6783628131 has 12 divisors (see below), whose sum is σ = 11198370352. Its totient is φ = 3876358896.

The previous prime is 6783628129. The next prime is 6783628139. The reversal of 6783628131 is 1318263876.

6783628131 is a `hidden beast` number, since 6 + 7 + 8 + 3 + 628 + 13 + 1 = 666.

It is not a de Polignac number, because 6783628131 - 2¹ = 6783628129 is a prime.

It is a super-2 number, since 2×6783628131² = 92035221239389106322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6783628139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53838256 + ... + 53838381.

Almost surely, 2^6783628131 is an apocalyptic number.

6783628131 is a deficient number, since it is larger than the sum of its proper divisors (4414742221).

6783628131 is a wasteful number, since it uses less digits than its factorization.

6783628131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107676650 (or 107676647 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6783628131 is about 82362.7836525697. The cubic root of 6783628131 is about 1893.0148062900.

The spelling of 6783628131 in words is "six billion, seven hundred eighty-three million, six hundred twenty-eight thousand, one hundred thirty-one".