6131645404 has 6 divisors (see below), whose sum is σ = 10730379464. Its totient is φ = 3065822700.

The previous prime is 6131645381. The next prime is 6131645431. The reversal of 6131645404 is 4045461316.

It is a self number, because there is not a number n which added to its sum of digits gives 6131645404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766455672 + ... + 766455679.

Almost surely, 2^6131645404 is an apocalyptic number.

It is an amenable number.

6131645404 is a deficient number, since it is larger than the sum of its proper divisors (4598734060).

6131645404 is a wasteful number, since it uses less digits than its factorization.

6131645404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532911355 (or 1532911353 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 6131645404 is about 78304.8236317534. The cubic root of 6131645404 is about 1830.3143182915.

The spelling of 6131645404 in words is "six billion, one hundred thirty-one million, six hundred forty-five thousand, four hundred four".