6396131403 has 24 divisors (see below), whose sum is σ = 9421474608. Its totient is φ = 4180626432.

The previous prime is 6396131383. The next prime is 6396131407. The reversal of 6396131403 is 3041316936.

6396131403 is a `hidden beast` number, since 6 + 39 + 613 + 1 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 6396131403 - 2²² = 6391937099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6396131407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59175 + ... + 127647.

It is an arithmetic number, because the mean of its divisors is an integer number (392561442).

Almost surely, 2^6396131403 is an apocalyptic number.

6396131403 is a deficient number, since it is larger than the sum of its proper divisors (3025343205).

6396131403 is a wasteful number, since it uses less digits than its factorization.

6396131403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68683 (or 68680 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 6396131403 is about 79975.8176138262. The cubic root of 6396131403 is about 1856.2613656142.

The spelling of 6396131403 in words is "six billion, three hundred ninety-six million, one hundred thirty-one thousand, four hundred three".