2653923899 has 16 divisors (see below), whose sum is σ = 2959200000. Its totient is φ = 2359732320.

The previous prime is 2653923887. The next prime is 2653923917. The reversal of 2653923899 is 9983293562.

It is not a de Polignac number, because 2653923899 - 2¹² = 2653919803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653923199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118877 + ... + 139425.

It is an arithmetic number, because the mean of its divisors is an integer number (184950000).

Almost surely, 2^2653923899 is an apocalyptic number.

2653923899 is a deficient number, since it is larger than the sum of its proper divisors (305276101).

2653923899 is a wasteful number, since it uses less digits than its factorization.

2653923899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20818.

The product of its digits is 6298560, while the sum is 56.

The square root of 2653923899 is about 51516.2488832407. The cubic root of 2653923899 is about 1384.5101855896.

The spelling of 2653923899 in words is "two billion, six hundred fifty-three million, nine hundred twenty-three thousand, eight hundred ninety-nine".