6419791672 has 16 divisors (see below), whose sum is σ = 13756696560. Its totient is φ = 2751339264.

The previous prime is 6419791669. The next prime is 6419791681. The reversal of 6419791672 is 2761979146.

It is a super-2 number, since 2×6419791672² = 82427450223761111168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57319513 + ... + 57319624.

It is an arithmetic number, because the mean of its divisors is an integer number (859793535).

Almost surely, 2^6419791672 is an apocalyptic number.

It is an amenable number.

6419791672 is an abundant number, since it is smaller than the sum of its proper divisors (7336904888).

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

6419791672 is a wasteful number, since it uses less digits than its factorization.

6419791672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114639150 (or 114639146 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The square root of 6419791672 is about 80123.6024651912. The cubic root of 6419791672 is about 1858.5474140780.

The spelling of 6419791672 in words is "six billion, four hundred nineteen million, seven hundred ninety-one thousand, six hundred seventy-two".