452537361391 has 12 divisors (see below), whose sum is σ = 454431490912. Its totient is φ = 450648499968.

The previous prime is 452537361347. The next prime is 452537361421. The reversal of 452537361391 is 193163735254.

It is not a de Polignac number, because 452537361391 - 2²⁹ = 452000490479 is a prime.

It is a super-4 number, since 4×452537361391⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452537362391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318015706 + ... + 318017128.

Almost surely, 2^452537361391 is an apocalyptic number.

452537361391 is a deficient number, since it is larger than the sum of its proper divisors (1894129521).

452537361391 is an frugal number, since it uses more digits than its factorization.

452537361391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 2713 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

The spelling of 452537361391 in words is "four hundred fifty-two billion, five hundred thirty-seven million, three hundred sixty-one thousand, three hundred ninety-one".