544649931 has 12 divisors (see below), whose sum is σ = 899104752. Its totient is φ = 311228496.

The previous prime is 544649929. The next prime is 544649933. The reversal of 544649931 is 139946445.

544649931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (544649929) and next prime (544649933).

It is not a de Polignac number, because 544649931 - 2¹ = 544649929 is a prime.

It is a super-2 number, since 2×544649931² = 593287094676609522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (544649933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4322556 + ... + 4322681.

It is an arithmetic number, because the mean of its divisors is an integer number (74925396).

Almost surely, 2^544649931 is an apocalyptic number.

544649931 is a deficient number, since it is larger than the sum of its proper divisors (354454821).

544649931 is a wasteful number, since it uses less digits than its factorization.

544649931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645250 (or 8645247 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 544649931 is about 23337.7362012685. The cubic root of 544649931 is about 816.6559883281.

The spelling of 544649931 in words is "five hundred forty-four million, six hundred forty-nine thousand, nine hundred thirty-one".