2681922399 has 16 divisors (see below), whose sum is σ = 3903722592. Its totient is φ = 1627803648.

The previous prime is 2681922389. The next prime is 2681922421. The reversal of 2681922399 is 9932291862.

It is a happy number.

It is not a de Polignac number, because 2681922399 - 2¹² = 2681918303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681922389) 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, 468162 + ... + 473855.

It is an arithmetic number, because the mean of its divisors is an integer number (243982662).

Almost surely, 2^2681922399 is an apocalyptic number.

2681922399 is a deficient number, since it is larger than the sum of its proper divisors (1221800193).

2681922399 is a wasteful number, since it uses less digits than its factorization.

2681922399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942106.

The product of its digits is 839808, while the sum is 51.

The square root of 2681922399 is about 51787.2802819380. The cubic root of 2681922399 is about 1389.3619553247.

The spelling of 2681922399 in words is "two billion, six hundred eighty-one million, nine hundred twenty-two thousand, three hundred ninety-nine".