44864362013 has 2 divisors, whose sum is σ = 44864362014. Its totient is φ = 44864362012.

The previous prime is 44864362007. The next prime is 44864362073. The reversal of 44864362013 is 31026346844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28805896729 + 16058465284 = 169723^2 + 126722^2 .

It is a cyclic number.

It is not a de Polignac number, because 44864362013 - 2¹² = 44864357917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44864362073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22432181006 + 22432181007.

It is an arithmetic number, because the mean of its divisors is an integer number (22432181007).

Almost surely, 2^44864362013 is an apocalyptic number.

It is an amenable number.

44864362013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44864362013 is an equidigital number, since it uses as much as digits as its factorization.

44864362013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 44864362013 in words is "forty-four billion, eight hundred sixty-four million, three hundred sixty-two thousand, thirteen".