531455154063413 has 2 divisors, whose sum is σ = 531455154063414. Its totient is φ = 531455154063412.

The previous prime is 531455154063397. The next prime is 531455154063433. The reversal of 531455154063413 is 314360451554135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273032232073969 + 258422921989444 = 16523687^2 + 16075538^2 .

It is a cyclic number.

It is not a de Polignac number, because 531455154063413 - 2⁴ = 531455154063397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531455154063433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265727577031706 + 265727577031707.

It is an arithmetic number, because the mean of its divisors is an integer number (265727577031707).

Almost surely, 2^{531455154063413} is an apocalyptic number.

It is an amenable number.

531455154063413 is a deficient number, since it is larger than the sum of its proper divisors (1).

531455154063413 is an equidigital number, since it uses as much as digits as its factorization.

531455154063413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 531455154063413 in words is "five hundred thirty-one trillion, four hundred fifty-five billion, one hundred fifty-four million, sixty-three thousand, four hundred thirteen".