2693640433 has 16 divisors (see below), whose sum is σ = 2990643264. Its totient is φ = 2405698560.

The previous prime is 2693640421. The next prime is 2693640449. The reversal of 2693640433 is 3340463962.

It is a cyclic number.

It is not a de Polignac number, because 2693640433 - 2⁵ = 2693640401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2693640413) 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, 136966 + ... + 155392.

It is an arithmetic number, because the mean of its divisors is an integer number (186915204).

Almost surely, 2^2693640433 is an apocalyptic number.

It is an amenable number.

2693640433 is a deficient number, since it is larger than the sum of its proper divisors (297002831).

2693640433 is a wasteful number, since it uses less digits than its factorization.

2693640433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672.

The product of its (nonzero) digits is 279936, while the sum is 40.

The square root of 2693640433 is about 51900.2931879965. The cubic root of 2693640433 is about 1391.3825129929.

The spelling of 2693640433 in words is "two billion, six hundred ninety-three million, six hundred forty thousand, four hundred thirty-three".