949774919 has 4 divisors (see below), whose sum is σ = 969982944. Its totient is φ = 929566896.

The previous prime is 949774913. The next prime is 949774939. The reversal of 949774919 is 919477949.

949774919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949774919 is a prime.

It is a super-2 number, since 2×949774919² = 1804144793522913122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949774913) 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, 10103942 + ... + 10104035.

It is an arithmetic number, because the mean of its divisors is an integer number (242495736).

Almost surely, 2^949774919 is an apocalyptic number.

949774919 is a deficient number, since it is larger than the sum of its proper divisors (20208025).

949774919 is a wasteful number, since it uses less digits than its factorization.

949774919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20208024.

The product of its digits is 5143824, while the sum is 59.

The square root of 949774919 is about 30818.4185025773. The cubic root of 949774919 is about 982.9699294012.

The spelling of 949774919 in words is "nine hundred forty-nine million, seven hundred seventy-four thousand, nine hundred nineteen".