255475335457 has 4 divisors (see below), whose sum is σ = 255815516416. Its totient is φ = 255135154500.

The previous prime is 255475335413. The next prime is 255475335481. The reversal of 255475335457 is 754533574552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255475335457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255475335398 and 255475335407.

It is not an unprimeable number, because it can be changed into a prime (255475335407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170089353 + ... + 170090854.

It is an arithmetic number, because the mean of its divisors is an integer number (63953879104).

Almost surely, 2^255475335457 is an apocalyptic number.

It is an amenable number.

255475335457 is a deficient number, since it is larger than the sum of its proper divisors (340180959).

255475335457 is an equidigital number, since it uses as much as digits as its factorization.

255475335457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340180958.

The product of its digits is 44100000, while the sum is 55.

The spelling of 255475335457 in words is "two hundred fifty-five billion, four hundred seventy-five million, three hundred thirty-five thousand, four hundred fifty-seven".