450347931 has 60 divisors (see below), whose sum is σ = 761344584. Its totient is φ = 263088000.

The previous prime is 450347897. The next prime is 450347951. The reversal of 450347931 is 139743054.

It is not a de Polignac number, because 450347931 - 2⁹ = 450347419 is a prime.

It is a super-2 number, since 2×450347931² = 405626517911961522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450347951) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 749031 + ... + 749631.

Almost surely, 2^450347931 is an apocalyptic number.

450347931 is a deficient number, since it is larger than the sum of its proper divisors (310996653).

450347931 is a wasteful number, since it uses less digits than its factorization.

450347931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 450347931 is about 21221.4026633491. The cubic root of 450347931 is about 766.5068798905.

The spelling of 450347931 in words is "four hundred fifty million, three hundred forty-seven thousand, nine hundred thirty-one".