649095130 has 16 divisors (see below), whose sum is σ = 1168727040. Its totient is φ = 259558992.

The previous prime is 649095113. The next prime is 649095133. The reversal of 649095130 is 31590946.

It is a self number, because there is not a number n which added to its sum of digits gives 649095130.

It is not an unprimeable number, because it can be changed into a prime (649095133) 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, 33787 + ... + 49393.

It is an arithmetic number, because the mean of its divisors is an integer number (73045440).

Almost surely, 2^649095130 is an apocalyptic number.

649095130 is a deficient number, since it is larger than the sum of its proper divisors (519631910).

649095130 is a wasteful number, since it uses less digits than its factorization.

649095130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19773.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 649095130 is about 25477.3454268689. The cubic root of 649095130 is about 865.8369526292.

The spelling of 649095130 in words is "six hundred forty-nine million, ninety-five thousand, one hundred thirty".