1950574813 has 6 divisors (see below), whose sum is σ = 2144020382. Its totient is φ = 1773249720.

The previous prime is 1950574799. The next prime is 1950574817. The reversal of 1950574813 is 3184750591.

It can be written as a sum of positive squares in only one way, i.e., 1484792089 + 465782724 = 38533^2 + 21582^2 .

It is not a de Polignac number, because 1950574813 - 2²⁵ = 1917020381 is a prime.

It is a super-2 number, since 2×1950574813² = 7609484202219969938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1950574813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950574817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8060106 + ... + 8060347.

Almost surely, 2^1950574813 is an apocalyptic number.

It is an amenable number.

1950574813 is a deficient number, since it is larger than the sum of its proper divisors (193445569).

1950574813 is a wasteful number, since it uses less digits than its factorization.

1950574813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120475 (or 16120464 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1950574813 is about 44165.3123276628. The cubic root of 1950574813 is about 1249.4557231512.

The spelling of 1950574813 in words is "one billion, nine hundred fifty million, five hundred seventy-four thousand, eight hundred thirteen".