945800013 has 16 divisors (see below), whose sum is σ = 1294102656. Its totient is φ = 614069760.

The previous prime is 945799979. The next prime is 945800029. The reversal of 945800013 is 310008549.

It is not a de Polignac number, because 945800013 - 2²⁴ = 929022797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945800033) 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 15 ways as a sum of consecutive naturals, for example, 66456 + ... + 79422.

It is an arithmetic number, because the mean of its divisors is an integer number (80881416).

Almost surely, 2^945800013 is an apocalyptic number.

It is an amenable number.

945800013 is a deficient number, since it is larger than the sum of its proper divisors (348302643).

945800013 is a wasteful number, since it uses less digits than its factorization.

945800013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 945800013 is about 30753.8617575094. The cubic root of 945800013 is about 981.5967351151.

The spelling of 945800013 in words is "nine hundred forty-five million, eight hundred thousand, thirteen".