649013367 has 8 divisors (see below), whose sum is σ = 870186240. Its totient is φ = 430258040.

The previous prime is 649013357. The next prime is 649013371. The reversal of 649013367 is 763310946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 649013367 - 2⁸ = 649013111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649013317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603759 + ... + 604832.

It is an arithmetic number, because the mean of its divisors is an integer number (108773280).

Almost surely, 2^649013367 is an apocalyptic number.

649013367 is a deficient number, since it is larger than the sum of its proper divisors (221172873).

649013367 is a wasteful number, since it uses less digits than its factorization.

649013367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208773.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 649013367 is about 25475.7407546866. The cubic root of 649013367 is about 865.8005961712.

The spelling of 649013367 in words is "six hundred forty-nine million, thirteen thousand, three hundred sixty-seven".