2699199855 has 80 divisors (see below), whose sum is σ = 5357810304. Its totient is φ = 1289027520.

The previous prime is 2699199817. The next prime is 2699199857. The reversal of 2699199855 is 5589919962.

It is not a de Polignac number, because 2699199855 - 2¹⁵ = 2699167087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2699199792 and 2699199801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2699199857) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 293964 + ... + 303006.

Almost surely, 2^2699199855 is an apocalyptic number.

2699199855 is a deficient number, since it is larger than the sum of its proper divisors (2658610449).

2699199855 is a wasteful number, since it uses less digits than its factorization.

2699199855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138 (or 9129 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 63.

The square root of 2699199855 is about 51953.8242577002. The cubic root of 2699199855 is about 1392.3390830085.

The spelling of 2699199855 in words is "two billion, six hundred ninety-nine million, one hundred ninety-nine thousand, eight hundred fifty-five".