649962274 has 16 divisors (see below), whose sum is σ = 1060767288. Its totient is φ = 296888832.

The previous prime is 649962253. The next prime is 649962301. The reversal of 649962274 is 472269946.

649962274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 592581649 + 57380625 = 24343^2 + 7575^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126337 + ... + 131380.

Almost surely, 2^649962274 is an apocalyptic number.

649962274 is a deficient number, since it is larger than the sum of its proper divisors (410805014).

649962274 is a wasteful number, since it uses less digits than its factorization.

649962274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257829.

The product of its digits is 1306368, while the sum is 49.

The square root of 649962274 is about 25494.3576894967. The cubic root of 649962274 is about 866.2223461774. Note that the first 3 decimals are identical.

The spelling of 649962274 in words is "six hundred forty-nine million, nine hundred sixty-two thousand, two hundred seventy-four".