6455231439 has 8 divisors (see below), whose sum is σ = 8607687600. Its totient is φ = 4303131456.

The previous prime is 6455231417. The next prime is 6455231473. The reversal of 6455231439 is 9341325546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6455231439 - 2¹² = 6455227343 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6455231439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455231039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43414 + ... + 121635.

It is an arithmetic number, because the mean of its divisors is an integer number (1075960950).

Almost surely, 2^6455231439 is an apocalyptic number.

6455231439 is a deficient number, since it is larger than the sum of its proper divisors (2152456161).

6455231439 is a wasteful number, since it uses less digits than its factorization.

6455231439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178089.

The product of its digits is 388800, while the sum is 42.

The square root of 6455231439 is about 80344.4549362307. The cubic root of 6455231439 is about 1861.9611102476.

The spelling of 6455231439 in words is "six billion, four hundred fifty-five million, two hundred thirty-one thousand, four hundred thirty-nine".