413929145621 has 2 divisors, whose sum is σ = 413929145622. Its totient is φ = 413929145620.

The previous prime is 413929145611. The next prime is 413929145627. The reversal of 413929145621 is 126541929314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318394990225 + 95534155396 = 564265^2 + 309086^2 .

It is a cyclic number.

It is not a de Polignac number, because 413929145621 - 2¹⁰ = 413929144597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413929145627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206964572810 + 206964572811.

It is an arithmetic number, because the mean of its divisors is an integer number (206964572811).

Almost surely, 2^413929145621 is an apocalyptic number.

It is an amenable number.

413929145621 is a deficient number, since it is larger than the sum of its proper divisors (1).

413929145621 is an equidigital number, since it uses as much as digits as its factorization.

413929145621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The spelling of 413929145621 in words is "four hundred thirteen billion, nine hundred twenty-nine million, one hundred forty-five thousand, six hundred twenty-one".