949544813 has 4 divisors (see below), whose sum is σ = 1085194080. Its totient is φ = 813895548.

The previous prime is 949544773. The next prime is 949544819. The reversal of 949544813 is 318445949.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 949544813 - 2⁶ = 949544749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949544819) 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, 67824623 + ... + 67824636.

It is an arithmetic number, because the mean of its divisors is an integer number (271298520).

Almost surely, 2^949544813 is an apocalyptic number.

It is an amenable number.

949544813 is a deficient number, since it is larger than the sum of its proper divisors (135649267).

949544813 is a wasteful number, since it uses less digits than its factorization.

949544813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135649266.

The product of its digits is 622080, while the sum is 47.

The square root of 949544813 is about 30814.6850219177. The cubic root of 949544813 is about 982.8905402242.

The spelling of 949544813 in words is "nine hundred forty-nine million, five hundred forty-four thousand, eight hundred thirteen".