2694443557 has 12 divisors (see below), whose sum is σ = 2940648960. Its totient is φ = 2467574928.

The previous prime is 2694443551. The next prime is 2694443569. The reversal of 2694443557 is 7553444962.

It is not a de Polignac number, because 2694443557 - 2¹⁹ = 2693919269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2694443557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2694443551) 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, 41307 + ... + 84232.

It is an arithmetic number, because the mean of its divisors is an integer number (245054080).

Almost surely, 2^2694443557 is an apocalyptic number.

It is an amenable number.

2694443557 is a deficient number, since it is larger than the sum of its proper divisors (246205403).

2694443557 is a wasteful number, since it uses less digits than its factorization.

2694443557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125692 (or 125679 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The square root of 2694443557 is about 51908.0297930869. The cubic root of 2694443557 is about 1391.5207820848.

The spelling of 2694443557 in words is "two billion, six hundred ninety-four million, four hundred forty-three thousand, five hundred fifty-seven".