2694698409 has 12 divisors (see below), whose sum is σ = 3890571216. Its totient is φ = 1658275632.

The previous prime is 2694698371. The next prime is 2694698431. The reversal of 2694698409 is 9048964962.

2694698409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2694698409 - 2¹⁹ = 2694174121 is a prime.

It is a super-2 number, since 2×2694698409² = 14522799030934262562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2694698449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2656987 + ... + 2658000.

It is an arithmetic number, because the mean of its divisors is an integer number (324214268).

Almost surely, 2^2694698409 is an apocalyptic number.

It is an amenable number.

2694698409 is a deficient number, since it is larger than the sum of its proper divisors (1195872807).

2694698409 is a wasteful number, since it uses less digits than its factorization.

2694698409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315016 (or 5315003 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The square root of 2694698409 is about 51910.4845768174. The cubic root of 2694698409 is about 1391.5646526981.

The spelling of 2694698409 in words is "two billion, six hundred ninety-four million, six hundred ninety-eight thousand, four hundred nine".