2652099878649 has 16 divisors (see below), whose sum is σ = 3850931548800. Its totient is φ = 1613723692416.

The previous prime is 2652099878647. The next prime is 2652099878657. The reversal of 2652099878649 is 9468789902562.

It is not a de Polignac number, because 2652099878649 - 2¹ = 2652099878647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2652099878647) 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, 382033389 + ... + 382040330.

It is an arithmetic number, because the mean of its divisors is an integer number (240683221800).

Almost surely, 2^{2652099878649} is an apocalyptic number.

It is an amenable number.

2652099878649 is a deficient number, since it is larger than the sum of its proper divisors (1198831670151).

2652099878649 is a wasteful number, since it uses less digits than its factorization.

2652099878649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764073824.

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 2652099878649 in words is "two trillion, six hundred fifty-two billion, ninety-nine million, eight hundred seventy-eight thousand, six hundred forty-nine".