6430772198 has 16 divisors (see below), whose sum is σ = 9909481920. Its totient is φ = 3127657536.

The previous prime is 6430772149. The next prime is 6430772203. The reversal of 6430772198 is 8912770346.

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, 344858 + ... + 363026.

It is an arithmetic number, because the mean of its divisors is an integer number (619342620).

Almost surely, 2^6430772198 is an apocalyptic number.

6430772198 is a deficient number, since it is larger than the sum of its proper divisors (3478709722).

6430772198 is a wasteful number, since it uses less digits than its factorization.

6430772198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22991.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 6430772198 is about 80192.0956079837. The cubic root of 6430772198 is about 1859.6064413789.

The spelling of 6430772198 in words is "six billion, four hundred thirty million, seven hundred seventy-two thousand, one hundred ninety-eight".