452561401493 has 2 divisors, whose sum is σ = 452561401494. Its totient is φ = 452561401492.

The previous prime is 452561401471. The next prime is 452561401517. The reversal of 452561401493 is 394104165254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371127076804 + 81434324689 = 609202^2 + 285367^2 .

It is a cyclic number.

It is not a de Polignac number, because 452561401493 - 2¹⁰ = 452561400469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452531401493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226280700746 + 226280700747.

It is an arithmetic number, because the mean of its divisors is an integer number (226280700747).

Almost surely, 2^452561401493 is an apocalyptic number.

It is an amenable number.

452561401493 is a deficient number, since it is larger than the sum of its proper divisors (1).

452561401493 is an equidigital number, since it uses as much as digits as its factorization.

452561401493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 452561401493 in words is "four hundred fifty-two billion, five hundred sixty-one million, four hundred one thousand, four hundred ninety-three".