4890117731 has 4 divisors (see below), whose sum is σ = 4890349032. Its totient is φ = 4889886432.

The previous prime is 4890117719. The next prime is 4890117781. The reversal of 4890117731 is 1377110984.

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-4890117731 is a prime.

It is a super-2 number, since 2×4890117731² = 47826502846081176722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890117781) 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, 80345 + ... + 127418.

It is an arithmetic number, because the mean of its divisors is an integer number (1222587258).

Almost surely, 2^4890117731 is an apocalyptic number.

4890117731 is a deficient number, since it is larger than the sum of its proper divisors (231301).

4890117731 is a wasteful number, since it uses less digits than its factorization.

4890117731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231300.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 4890117731 is about 69929.3767382493. The cubic root of 4890117731 is about 1697.3566452267.

The spelling of 4890117731 in words is "four billion, eight hundred ninety million, one hundred seventeen thousand, seven hundred thirty-one".