44511239413 has 2 divisors, whose sum is σ = 44511239414. Its totient is φ = 44511239412.

The previous prime is 44511239411. The next prime is 44511239459. The reversal of 44511239413 is 31493211544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29509399089 + 15001840324 = 171783^2 + 122482^2 .

It is a cyclic number.

It is not a de Polignac number, because 44511239413 - 2¹ = 44511239411 is a prime.

Together with 44511239411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44511239411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22255619706 + 22255619707.

It is an arithmetic number, because the mean of its divisors is an integer number (22255619707).

Almost surely, 2^44511239413 is an apocalyptic number.

It is an amenable number.

44511239413 is a deficient number, since it is larger than the sum of its proper divisors (1).

44511239413 is an equidigital number, since it uses as much as digits as its factorization.

44511239413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 44511239413 in words is "forty-four billion, five hundred eleven million, two hundred thirty-nine thousand, four hundred thirteen".