2686693401 has 16 divisors (see below), whose sum is σ = 4548899200. Its totient is φ = 1535253264.

The previous prime is 2686693397. The next prime is 2686693433. The reversal of 2686693401 is 1043966862.

It is not a de Polignac number, because 2686693401 - 2² = 2686693397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686694401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7107466 + ... + 7107843.

It is an arithmetic number, because the mean of its divisors is an integer number (284306200).

Almost surely, 2^2686693401 is an apocalyptic number.

2686693401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2686693401 is a deficient number, since it is larger than the sum of its proper divisors (1862205799).

2686693401 is a wasteful number, since it uses less digits than its factorization.

2686693401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215325 (or 14215319 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2686693401 is about 51833.3232679519. The cubic root of 2686693401 is about 1390.1853350858.

The spelling of 2686693401 in words is "two billion, six hundred eighty-six million, six hundred ninety-three thousand, four hundred one".