6125643646 has 16 divisors (see below), whose sum is σ = 9366840000. Its totient is φ = 3003425568.

The previous prime is 6125643631. The next prime is 6125643721. The reversal of 6125643646 is 6463465216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197440 + ... + 226348.

It is an arithmetic number, because the mean of its divisors is an integer number (585427500).

Almost surely, 2^6125643646 is an apocalyptic number.

6125643646 is a deficient number, since it is larger than the sum of its proper divisors (3241196354).

6125643646 is a wasteful number, since it uses less digits than its factorization.

6125643646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30963.

The product of its digits is 622080, while the sum is 43.

The square root of 6125643646 is about 78266.4912079237. The cubic root of 6125643646 is about 1829.7169424941.

The spelling of 6125643646 in words is "six billion, one hundred twenty-five million, six hundred forty-three thousand, six hundred forty-six".