6431117272 has 64 divisors (see below), whose sum is σ = 13010997600. Its totient is φ = 2968995840.

The previous prime is 6431117269. The next prime is 6431117291. The reversal of 6431117272 is 2727111346.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4221903 + ... + 4223425.

Almost surely, 2^6431117272 is an apocalyptic number.

It is an amenable number.

6431117272 is an abundant number, since it is smaller than the sum of its proper divisors (6579880328).

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

6431117272 is a wasteful number, since it uses less digits than its factorization.

6431117272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2112 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 6431117272 is about 80194.2471253394. The cubic root of 6431117272 is about 1859.6397028254.

The spelling of 6431117272 in words is "six billion, four hundred thirty-one million, one hundred seventeen thousand, two hundred seventy-two".