649174294 has 4 divisors (see below), whose sum is σ = 973761444. Its totient is φ = 324587146.

The previous prime is 649174259. The next prime is 649174307. The reversal of 649174294 is 492471946.

649174294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162293572 + ... + 162293575.

It is an arithmetic number, because the mean of its divisors is an integer number (243440361).

Almost surely, 2^649174294 is an apocalyptic number.

649174294 is a deficient number, since it is larger than the sum of its proper divisors (324587150).

649174294 is a wasteful number, since it uses less digits than its factorization.

649174294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324587149.

The product of its digits is 435456, while the sum is 46.

The square root of 649174294 is about 25478.8989950508. The cubic root of 649174294 is about 865.8721505157.

The spelling of 649174294 in words is "six hundred forty-nine million, one hundred seventy-four thousand, two hundred ninety-four".