427237336553 has 4 divisors (see below), whose sum is σ = 427929780180. Its totient is φ = 426544892928.

The previous prime is 427237336531. The next prime is 427237336573. The reversal of 427237336553 is 355633732724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76059020944 + 351178315609 = 275788^2 + 592603^2 .

It is a cyclic number.

It is not a de Polignac number, because 427237336553 - 2²⁶ = 427170227689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427237336523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346220888 + ... + 346222121.

It is an arithmetic number, because the mean of its divisors is an integer number (106982445045).

Almost surely, 2^427237336553 is an apocalyptic number.

It is an amenable number.

427237336553 is a deficient number, since it is larger than the sum of its proper divisors (692443627).

427237336553 is an equidigital number, since it uses as much as digits as its factorization.

427237336553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692443626.

The product of its digits is 9525600, while the sum is 50.

The spelling of 427237336553 in words is "four hundred twenty-seven billion, two hundred thirty-seven million, three hundred thirty-six thousand, five hundred fifty-three".