2690259427 has 4 divisors (see below), whose sum is σ = 2691960480. Its totient is φ = 2688558376.

The previous prime is 2690259413. The next prime is 2690259433. The reversal of 2690259427 is 7249520962.

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-2690259427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690259487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848152 + ... + 851317.

It is an arithmetic number, because the mean of its divisors is an integer number (672990120).

Almost surely, 2^2690259427 is an apocalyptic number.

2690259427 is a deficient number, since it is larger than the sum of its proper divisors (1701053).

2690259427 is a wasteful number, since it uses less digits than its factorization.

2690259427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701052.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 2690259427 is about 51867.7108324630. The cubic root of 2690259427 is about 1390.8001236759.

The spelling of 2690259427 in words is "two billion, six hundred ninety million, two hundred fifty-nine thousand, four hundred twenty-seven".