949272491 has 4 divisors (see below), whose sum is σ = 990545232. Its totient is φ = 907999752.

The previous prime is 949272451. The next prime is 949272497. The reversal of 949272491 is 194272949.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 949272491 - 2⁶ = 949272427 is a prime.

It is a super-2 number, since 2×949272491² = 1802236524338690162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (949272497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20636336 + ... + 20636381.

It is an arithmetic number, because the mean of its divisors is an integer number (247636308).

Almost surely, 2^949272491 is an apocalyptic number.

949272491 is a deficient number, since it is larger than the sum of its proper divisors (41272741).

949272491 is a wasteful number, since it uses less digits than its factorization.

949272491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41272740.

The product of its digits is 326592, while the sum is 47.

The square root of 949272491 is about 30810.2660001500. The cubic root of 949272491 is about 982.7965694760.

The spelling of 949272491 in words is "nine hundred forty-nine million, two hundred seventy-two thousand, four hundred ninety-one".