949644531 has 24 divisors (see below), whose sum is σ = 1584436464. Its totient is φ = 541685760.

The previous prime is 949644503. The next prime is 949644547. The reversal of 949644531 is 135446949.

949644531 is a `hidden beast` number, since 94 + 96 + 445 + 31 = 666.

It is not a de Polignac number, because 949644531 - 2⁶ = 949644467 is a prime.

It is a super-2 number, since 2×949644531² = 1803649470516419922, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (949644571) 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 23 ways as a sum of consecutive naturals, for example, 280446 + ... + 283811.

It is an arithmetic number, because the mean of its divisors is an integer number (66018186).

Almost surely, 2^949644531 is an apocalyptic number.

949644531 is a deficient number, since it is larger than the sum of its proper divisors (634791933).

949644531 is a wasteful number, since it uses less digits than its factorization.

949644531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564291 (or 564288 counting only the distinct ones).

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

The square root of 949644531 is about 30816.3030066879. The cubic root of 949644531 is about 982.9249456385.

The spelling of 949644531 in words is "nine hundred forty-nine million, six hundred forty-four thousand, five hundred thirty-one".