949745131 has 4 divisors (see below), whose sum is σ = 953719200. Its totient is φ = 945771064.

The previous prime is 949745129. The next prime is 949745207. The reversal of 949745131 is 131547949.

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 949745131 - 2¹ = 949745129 is a prime.

It is a super-2 number, since 2×949745131² = 1804031627716414322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949745101) 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, 1986676 + ... + 1987153.

It is an arithmetic number, because the mean of its divisors is an integer number (238429800).

Almost surely, 2^949745131 is an apocalyptic number.

949745131 is a deficient number, since it is larger than the sum of its proper divisors (3974069).

949745131 is a wasteful number, since it uses less digits than its factorization.

949745131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974068.

The product of its digits is 136080, while the sum is 43.

The square root of 949745131 is about 30817.9352163639. The cubic root of 949745131 is about 982.9596529263.

The spelling of 949745131 in words is "nine hundred forty-nine million, seven hundred forty-five thousand, one hundred thirty-one".