6431459268 has 72 divisors (see below), whose sum is σ = 16774254336. Its totient is φ = 1915056000.

The previous prime is 6431459257. The next prime is 6431459269. The reversal of 6431459268 is 8629541346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431459269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11718 + ... + 114018.

Almost surely, 2^6431459268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6431459268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8387127168).

6431459268 is an abundant number, since it is smaller than the sum of its proper divisors (10342795068).

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

6431459268 is a wasteful number, since it uses less digits than its factorization.

6431459268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102365 (or 102350 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 6431459268 is about 80196.3793945836. The cubic root of 6431459268 is about 1859.6726664117.

The spelling of 6431459268 in words is "six billion, four hundred thirty-one million, four hundred fifty-nine thousand, two hundred sixty-eight".