452531108734391 has 2 divisors, whose sum is σ = 452531108734392. Its totient is φ = 452531108734390.

The previous prime is 452531108734387. The next prime is 452531108734421. The reversal of 452531108734391 is 193437801135254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452531108734391 - 2² = 452531108734387 is a prime.

It is a super-2 number, since 2×452531108734391² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452531108734301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226265554367195 + 226265554367196.

It is an arithmetic number, because the mean of its divisors is an integer number (226265554367196).

Almost surely, 2^{452531108734391} is an apocalyptic number.

452531108734391 is a deficient number, since it is larger than the sum of its proper divisors (1).

452531108734391 is an equidigital number, since it uses as much as digits as its factorization.

452531108734391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 452531108734391 in words is "four hundred fifty-two trillion, five hundred thirty-one billion, one hundred eight million, seven hundred thirty-four thousand, three hundred ninety-one".