649672962 has 16 divisors (see below), whose sum is σ = 1331037792. Its totient is φ = 211275680.

The previous prime is 649672931. The next prime is 649672967. The reversal of 649672962 is 269276946.

It is not an unprimeable number, because it can be changed into a prime (649672967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320228 + ... + 1320719.

It is an arithmetic number, because the mean of its divisors is an integer number (83189862).

Almost surely, 2^649672962 is an apocalyptic number.

649672962 is an abundant number, since it is smaller than the sum of its proper divisors (681364830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649672962 is a wasteful number, since it uses less digits than its factorization.

649672962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640993.

The product of its digits is 1959552, while the sum is 51.

The square root of 649672962 is about 25488.6830181553. The cubic root of 649672962 is about 866.0938024540.

The spelling of 649672962 in words is "six hundred forty-nine million, six hundred seventy-two thousand, nine hundred sixty-two".