4945400731 has 16 divisors (see below), whose sum is σ = 5236807840. Its totient is φ = 4670138592.

The previous prime is 4945400699. The next prime is 4945400743. The reversal of 4945400731 is 1370045494.

It is not a de Polignac number, because 4945400731 - 2⁵ = 4945400699 is a prime.

It is a super-2 number, since 2×4945400731² = 48913976780350668722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4945400791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557441 + ... + 2559373.

It is an arithmetic number, because the mean of its divisors is an integer number (327300490).

Almost surely, 2^4945400731 is an apocalyptic number.

4945400731 is a deficient number, since it is larger than the sum of its proper divisors (291407109).

4945400731 is an equidigital number, since it uses as much as digits as its factorization.

4945400731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 4945400731 is about 70323.5432198919. The cubic root of 4945400731 is about 1703.7289232204.

The spelling of 4945400731 in words is "four billion, nine hundred forty-five million, four hundred thousand, seven hundred thirty-one".