649892119 has 8 divisors (see below), whose sum is σ = 652194560. Its totient is φ = 647595000.

The previous prime is 649892083. The next prime is 649892123. The reversal of 649892119 is 911298946.

It is a happy number.

649892119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 649892119 - 2²¹ = 647794967 is a prime.

It is a super-2 number, since 2×649892119² = 844719532676620322, 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 (649892129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554404 + ... + 555574.

It is an arithmetic number, because the mean of its divisors is an integer number (81524320).

Almost surely, 2^649892119 is an apocalyptic number.

649892119 is a deficient number, since it is larger than the sum of its proper divisors (2302441).

649892119 is a wasteful number, since it uses less digits than its factorization.

649892119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661.

The product of its digits is 279936, while the sum is 49.

The square root of 649892119 is about 25492.9817596922. The cubic root of 649892119 is about 866.1911792325.

The spelling of 649892119 in words is "six hundred forty-nine million, eight hundred ninety-two thousand, one hundred nineteen".