2649212629 has 16 divisors (see below), whose sum is σ = 3253627008. Its totient is φ = 2105275392.

The previous prime is 2649212603. The next prime is 2649212641. The reversal of 2649212629 is 9262129462.

It is a cyclic number.

It is not a de Polignac number, because 2649212629 - 2⁹ = 2649212117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649213629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158164 + ... + 174109.

It is an arithmetic number, because the mean of its divisors is an integer number (203351688).

Almost surely, 2^2649212629 is an apocalyptic number.

It is an amenable number.

2649212629 is a deficient number, since it is larger than the sum of its proper divisors (604414379).

2649212629 is a wasteful number, since it uses less digits than its factorization.

2649212629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332364.

The product of its digits is 186624, while the sum is 43.

The square root of 2649212629 is about 51470.5025135757. The cubic root of 2649212629 is about 1383.6904352701.

The spelling of 2649212629 in words is "two billion, six hundred forty-nine million, two hundred twelve thousand, six hundred twenty-nine".