6351398272 has 16 divisors (see below), whose sum is σ = 12653176500. Its totient is φ = 3175699072.

The previous prime is 6351398269. The next prime is 6351398279. The reversal of 6351398272 is 2728931536.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6351398279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24810022 + ... + 24810277.

Almost surely, 2^6351398272 is an apocalyptic number.

It is an amenable number.

6351398272 is a deficient number, since it is larger than the sum of its proper divisors (6301778228).

6351398272 is an equidigital number, since it uses as much as digits as its factorization.

6351398272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49620313 (or 49620301 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 6351398272 is about 79695.6603084509. The cubic root of 6351398272 is about 1851.9238104768.

The spelling of 6351398272 in words is "six billion, three hundred fifty-one million, three hundred ninety-eight thousand, two hundred seventy-two".