649095129 has 12 divisors (see below), whose sum is σ = 951576496. Its totient is φ = 426271032.

The previous prime is 649095113. The next prime is 649095133. The reversal of 649095129 is 921590946.

It is not a de Polignac number, because 649095129 - 2⁴ = 649095113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (649095169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537619 + ... + 538824.

Almost surely, 2^649095129 is an apocalyptic number.

It is an amenable number.

649095129 is a deficient number, since it is larger than the sum of its proper divisors (302481367).

649095129 is a wasteful number, since it uses less digits than its factorization.

649095129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076516 (or 1076513 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 649095129 is about 25477.3454072437. The cubic root of 649095129 is about 865.8369521846.

The spelling of 649095129 in words is "six hundred forty-nine million, ninety-five thousand, one hundred twenty-nine".