43980465111013 has 2 divisors, whose sum is σ = 43980465111014. Its totient is φ = 43980465111012.

The previous prime is 43980465111007. The next prime is 43980465111043. The reversal of 43980465111013 is 31011156408934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24180252344964 + 19800212766049 = 4917342^2 + 4449743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43980465111013 is a prime.

It is a super-2 number, since 2×43980465111013² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43980465111043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (41) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21990232555506 + 21990232555507.

It is an arithmetic number, because the mean of its divisors is an integer number (21990232555507).

Almost surely, 2^{43980465111013} is an apocalyptic number.

It is an amenable number.

43980465111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43980465111013 is an equidigital number, since it uses as much as digits as its factorization.

43980465111013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

It can be divided in two parts, 4398046511101 and 3, that added together give a 42-nd power (4398046511104 = 2⁴²).

The spelling of 43980465111013 in words is "forty-three trillion, nine hundred eighty billion, four hundred sixty-five million, one hundred eleven thousand, thirteen".