450432504503551 has 32 divisors (see below), whose sum is σ = 486764406834048. Its totient is φ = 415764605667840.

The previous prime is 450432504503549. The next prime is 450432504503567. The reversal of 450432504503551 is 155305405234054.

It is not a de Polignac number, because 450432504503551 - 2¹ = 450432504503549 is a prime.

It is a super-2 number, since 2×450432504503551² (a number of 30 digits) contains 22 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 (450432504503251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308323205 + ... + 1308667441.

It is an arithmetic number, because the mean of its divisors is an integer number (15211387713564).

Almost surely, 2^{450432504503551} is an apocalyptic number.

450432504503551 is a deficient number, since it is larger than the sum of its proper divisors (36331902330497).

450432504503551 is a wasteful number, since it uses less digits than its factorization.

450432504503551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361971.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 450432504503551 in words is "four hundred fifty trillion, four hundred thirty-two billion, five hundred four million, five hundred three thousand, five hundred fifty-one".