2690384923 has 4 divisors (see below), whose sum is σ = 2696775808. Its totient is φ = 2683994040.

The previous prime is 2690384899. The next prime is 2690385011. The reversal of 2690384923 is 3294830962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2690384923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690184923) 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 3 ways as a sum of consecutive naturals, for example, 3194811 + ... + 3195652.

It is an arithmetic number, because the mean of its divisors is an integer number (674193952).

Almost surely, 2^2690384923 is an apocalyptic number.

2690384923 is a deficient number, since it is larger than the sum of its proper divisors (6390885).

2690384923 is an equidigital number, since it uses as much as digits as its factorization.

2690384923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390884.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 2690384923 is about 51868.9205883446. The cubic root of 2690384923 is about 1390.8217494885.

The spelling of 2690384923 in words is "two billion, six hundred ninety million, three hundred eighty-four thousand, nine hundred twenty-three".