6431719204 has 9 divisors (see below), whose sum is σ = 11255789307. Its totient is φ = 3215779404.

The previous prime is 6431719187. The next prime is 6431719207. The reversal of 6431719204 is 4029171346.

The square root of 6431719204 is 80198.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6431719207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 140347 + ... + 180445.

Almost surely, 2^6431719204 is an apocalyptic number.

6431719204 is the 80198-th square number.

It is an amenable number.

6431719204 is a deficient number, since it is larger than the sum of its proper divisors (4824070103).

6431719204 is an frugal number, since it uses more digits than its factorization.

6431719204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80202 (or 40101 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The cubic root of 6431719204 is about 1859.6977197908.

It can be divided in two parts, 64317 and 19204, that added together give a 4-th power (83521 = 17⁴).

The spelling of 6431719204 in words is "six billion, four hundred thirty-one million, seven hundred nineteen thousand, two hundred four".