6493621692 has 24 divisors (see below), whose sum is σ = 15437668176. Its totient is φ = 2123699968.

The previous prime is 6493621663. The next prime is 6493621723. The reversal of 6493621692 is 2961263946.

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, 5104413 + ... + 5105684.

It is an arithmetic number, because the mean of its divisors is an integer number (643236174).

Almost surely, 2^6493621692 is an apocalyptic number.

It is an amenable number.

6493621692 is an abundant number, since it is smaller than the sum of its proper divisors (8944046484).

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

6493621692 is a wasteful number, since it uses less digits than its factorization.

6493621692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210157 (or 10210155 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The square root of 6493621692 is about 80583.0111872223. The cubic root of 6493621692 is about 1865.6449400201.

The spelling of 6493621692 in words is "six billion, four hundred ninety-three million, six hundred twenty-one thousand, six hundred ninety-two".