4631656279 has 4 divisors (see below), whose sum is σ = 4633914376. Its totient is φ = 4629398184.

The previous prime is 4631656259. The next prime is 4631656301. The reversal of 4631656279 is 9726561364.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4631656279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631656259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125969 + ... + 1130074.

It is an arithmetic number, because the mean of its divisors is an integer number (1158478594).

Almost surely, 2^4631656279 is an apocalyptic number.

4631656279 is a deficient number, since it is larger than the sum of its proper divisors (2258097).

4631656279 is a wasteful number, since it uses less digits than its factorization.

4631656279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258096.

The product of its digits is 1632960, while the sum is 49.

The square root of 4631656279 is about 68056.2728850177. The cubic root of 4631656279 is about 1666.9098291126.

The spelling of 4631656279 in words is "four billion, six hundred thirty-one million, six hundred fifty-six thousand, two hundred seventy-nine".