949231979 has 4 divisors (see below), whose sum is σ = 957632376. Its totient is φ = 940831584.

The previous prime is 949231931. The next prime is 949231993. The reversal of 949231979 is 979132949.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979132949 = 967 ⋅1012547.

It is a cyclic number.

It is not a de Polignac number, because 949231979 - 2¹² = 949227883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 949231979.

It is not an unprimeable number, because it can be changed into a prime (949231999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200029 + ... + 4200254.

It is an arithmetic number, because the mean of its divisors is an integer number (239408094).

Almost surely, 2^949231979 is an apocalyptic number.

949231979 is a deficient number, since it is larger than the sum of its proper divisors (8400397).

949231979 is a wasteful number, since it uses less digits than its factorization.

949231979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400396.

The product of its digits is 1102248, while the sum is 53.

The square root of 949231979 is about 30809.6085499313. The cubic root of 949231979 is about 982.7825883759.

The spelling of 949231979 in words is "nine hundred forty-nine million, two hundred thirty-one thousand, nine hundred seventy-nine".