452441546043391 has 2 divisors, whose sum is σ = 452441546043392. Its totient is φ = 452441546043390.

The previous prime is 452441546043341. The next prime is 452441546043427. The reversal of 452441546043391 is 193340645144254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452441546043391 - 2²¹ = 452441543946239 is a prime.

It is a super-2 number, since 2×452441546043391² (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 (452441546043301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226220773021695 + 226220773021696.

It is an arithmetic number, because the mean of its divisors is an integer number (226220773021696).

Almost surely, 2^{452441546043391} is an apocalyptic number.

452441546043391 is a deficient number, since it is larger than the sum of its proper divisors (1).

452441546043391 is an equidigital number, since it uses as much as digits as its factorization.

452441546043391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 452441546043391 in words is "four hundred fifty-two trillion, four hundred forty-one billion, five hundred forty-six million, forty-three thousand, three hundred ninety-one".