43457075413 has 2 divisors, whose sum is σ = 43457075414. Its totient is φ = 43457075412.

The previous prime is 43457075381. The next prime is 43457075491. The reversal of 43457075413 is 31457075434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35346632049 + 8110443364 = 188007^2 + 90058^2 .

It is a cyclic number.

It is not a de Polignac number, because 43457075413 - 2⁵ = 43457075381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43457075413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43457070413) 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 as a sum of consecutive naturals, namely, 21728537706 + 21728537707.

It is an arithmetic number, because the mean of its divisors is an integer number (21728537707).

Almost surely, 2^43457075413 is an apocalyptic number.

It is an amenable number.

43457075413 is a deficient number, since it is larger than the sum of its proper divisors (1).

43457075413 is an equidigital number, since it uses as much as digits as its factorization.

43457075413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 43457075413 in words is "forty-three billion, four hundred fifty-seven million, seventy-five thousand, four hundred thirteen".