45664228813 has 12 divisors (see below), whose sum is σ = 53847283260. Its totient is φ = 38604589632.

The previous prime is 45664228783. The next prime is 45664228837. The reversal of 45664228813 is 31882246654.

It can be written as a sum of positive squares in 2 ways, for example, as 21993483204 + 23670745609 = 148302^2 + 153853^2 .

It is not a de Polignac number, because 45664228813 - 2²¹ = 45662131661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45664225813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6379458 + ... + 6386611.

It is an arithmetic number, because the mean of its divisors is an integer number (4487273605).

Almost surely, 2^45664228813 is an apocalyptic number.

It is an amenable number.

45664228813 is a deficient number, since it is larger than the sum of its proper divisors (8183054447).

45664228813 is a wasteful number, since it uses less digits than its factorization.

45664228813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766156 (or 12766149 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The spelling of 45664228813 in words is "forty-five billion, six hundred sixty-four million, two hundred twenty-eight thousand, eight hundred thirteen".