485149431 has 12 divisors (see below), whose sum is σ = 696822392. Its totient is φ = 298468848.

The previous prime is 485149403. The next prime is 485149471. The reversal of 485149431 is 134941584.

It is not a de Polignac number, because 485149431 - 2⁷ = 485149303 is a prime.

It is a super-2 number, since 2×485149431² = 470739940799247522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485149431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485149471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135790 + ... + 139316.

Almost surely, 2^485149431 is an apocalyptic number.

485149431 is a deficient number, since it is larger than the sum of its proper divisors (211672961).

485149431 is an frugal number, since it uses more digits than its factorization.

485149431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070 (or 3543 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 485149431 is about 22026.1079403512. The cubic root of 485149431 is about 785.7634834727.

Multiplying 485149431 by its sum of digits (39), we get a square (18920827809 = 137553²).

485149431 divided by its sum of digits (39) gives a square (12439729 = 3527²).

The spelling of 485149431 in words is "four hundred eighty-five million, one hundred forty-nine thousand, four hundred thirty-one".