505351403457 has 16 divisors (see below), whose sum is σ = 685188853440. Its totient is φ = 331212945600.

The previous prime is 505351403449. The next prime is 505351403483. The reversal of 505351403457 is 754304153505.

It is not a de Polignac number, because 505351403457 - 2³ = 505351403449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505351403407) 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, 318582 + ... + 1054607.

It is an arithmetic number, because the mean of its divisors is an integer number (42824303340).

Almost surely, 2^505351403457 is an apocalyptic number.

It is an amenable number.

505351403457 is a deficient number, since it is larger than the sum of its proper divisors (179837449983).

505351403457 is a wasteful number, since it uses less digits than its factorization.

505351403457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375264.

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 505351403457 in words is "five hundred five billion, three hundred fifty-one million, four hundred three thousand, four hundred fifty-seven".