542171404452413 has 2 divisors, whose sum is σ = 542171404452414. Its totient is φ = 542171404452412.

The previous prime is 542171404452401. The next prime is 542171404452511. The reversal of 542171404452413 is 314254404171245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534855261255844 + 7316143196569 = 23126938^2 + 2704837^2 .

It is a cyclic number.

It is not a de Polignac number, because 542171404452413 - 2⁸ = 542171404452157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542171404472413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271085702226206 + 271085702226207.

It is an arithmetic number, because the mean of its divisors is an integer number (271085702226207).

Almost surely, 2^{542171404452413} is an apocalyptic number.

It is an amenable number.

542171404452413 is a deficient number, since it is larger than the sum of its proper divisors (1).

542171404452413 is an equidigital number, since it uses as much as digits as its factorization.

542171404452413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 542171404452413 in words is "five hundred forty-two trillion, one hundred seventy-one billion, four hundred four million, four hundred fifty-two thousand, four hundred thirteen".