649058031 has 12 divisors (see below), whose sum is σ = 986872120. Its totient is φ = 409931280.

The previous prime is 649058027. The next prime is 649058063. The reversal of 649058031 is 130850946.

649058031 is a `hidden beast` number, since 6 + 49 + 0 + 580 + 31 = 666.

It is not a de Polignac number, because 649058031 - 2² = 649058027 is a prime.

It is a super-2 number, since 2×649058031² = 842552655211193922, which 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 (649058071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897660 + ... + 1898001.

Almost surely, 2^649058031 is an apocalyptic number.

649058031 is a deficient number, since it is larger than the sum of its proper divisors (337814089).

649058031 is a wasteful number, since it uses less digits than its factorization.

649058031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795686 (or 3795683 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 649058031 is about 25476.6173382574. The cubic root of 649058031 is about 865.8204566922.

The spelling of 649058031 in words is "six hundred forty-nine million, fifty-eight thousand, thirty-one".