949921971 has 16 divisors (see below), whose sum is σ = 1341726624. Its totient is φ = 595736064.

The previous prime is 949921943. The next prime is 949921981. The reversal of 949921971 is 179129949.

It is not a de Polignac number, because 949921971 - 2²⁷ = 815704243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (949921981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151821 + ... + 157953.

It is an arithmetic number, because the mean of its divisors is an integer number (83857914).

Almost surely, 2^949921971 is an apocalyptic number.

949921971 is a deficient number, since it is larger than the sum of its proper divisors (391804653).

949921971 is a wasteful number, since it uses less digits than its factorization.

949921971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190.

The product of its digits is 367416, while the sum is 51.

The square root of 949921971 is about 30820.8041913251. The cubic root of 949921971 is about 983.0206572918.

The spelling of 949921971 in words is "nine hundred forty-nine million, nine hundred twenty-one thousand, nine hundred seventy-one".