949918642 has 8 divisors (see below), whose sum is σ = 1499871600. Its totient is φ = 449961444.

The previous prime is 949918631. The next prime is 949918643. The reversal of 949918642 is 246819949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 949918642.

It is not an unprimeable number, because it can be changed into a prime (949918643) 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 3 ways as a sum of consecutive naturals, for example, 12498892 + ... + 12498967.

It is an arithmetic number, because the mean of its divisors is an integer number (187483950).

Almost surely, 2^949918642 is an apocalyptic number.

949918642 is a deficient number, since it is larger than the sum of its proper divisors (549952958).

949918642 is a wasteful number, since it uses less digits than its factorization.

949918642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24997880.

The product of its digits is 1119744, while the sum is 52.

The square root of 949918642 is about 30820.7501855487. The cubic root of 949918642 is about 983.0195089591.

The spelling of 949918642 in words is "nine hundred forty-nine million, nine hundred eighteen thousand, six hundred forty-two".