447137826453 has 16 divisors (see below), whose sum is σ = 663181776960. Its totient is φ = 297751969008.

The previous prime is 447137826419. The next prime is 447137826463. The reversal of 447137826453 is 354628731744.

447137826453 is a `hidden beast` number, since 4 + 4 + 7 + 1 + 378 + 264 + 5 + 3 = 666.

It is not a de Polignac number, because 447137826453 - 2²⁰ = 447136777877 is a prime.

It is a super-2 number, since 2×447137826453² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 447137826453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447137826413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9417975 + ... + 9465332.

It is an arithmetic number, because the mean of its divisors is an integer number (41448861060).

Almost surely, 2^447137826453 is an apocalyptic number.

It is an amenable number.

447137826453 is a deficient number, since it is larger than the sum of its proper divisors (216043950507).

447137826453 is a wasteful number, since it uses less digits than its factorization.

447137826453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18884193 (or 18884187 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 447137826453 in words is "four hundred forty-seven billion, one hundred thirty-seven million, eight hundred twenty-six thousand, four hundred fifty-three".