4966145931 has 4 divisors (see below), whose sum is σ = 6621527912. Its totient is φ = 3310763952.

The previous prime is 4966145929. The next prime is 4966145959. The reversal of 4966145931 is 1395416694.

It is a happy number.

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

It is not a de Polignac number, because 4966145931 - 2¹ = 4966145929 is a prime.

It is a super-2 number, since 2×4966145931² = 49325210815975713522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4966145831) 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, 827690986 + ... + 827690991.

It is an arithmetic number, because the mean of its divisors is an integer number (1655381978).

Almost surely, 2^4966145931 is an apocalyptic number.

4966145931 is a deficient number, since it is larger than the sum of its proper divisors (1655381981).

4966145931 is a wasteful number, since it uses less digits than its factorization.

4966145931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655381980.

The product of its digits is 699840, while the sum is 48.

The square root of 4966145931 is about 70470.8871165959. The cubic root of 4966145931 is about 1706.1078939627.

The spelling of 4966145931 in words is "four billion, nine hundred sixty-six million, one hundred forty-five thousand, nine hundred thirty-one".