2690334409 has 4 divisors (see below), whose sum is σ = 3074667904. Its totient is φ = 2306000916.

The previous prime is 2690334407. The next prime is 2690334419. The reversal of 2690334409 is 9044330962.

2690334409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2690334409 - 2¹ = 2690334407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2690334407) 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, 192166737 + ... + 192166750.

It is an arithmetic number, because the mean of its divisors is an integer number (768666976).

Almost surely, 2^2690334409 is an apocalyptic number.

It is an amenable number.

2690334409 is a deficient number, since it is larger than the sum of its proper divisors (384333495).

2690334409 is an equidigital number, since it uses as much as digits as its factorization.

2690334409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384333494.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 2690334409 is about 51868.4336470651. The cubic root of 2690334409 is about 1390.8130448592.

The spelling of 2690334409 in words is "two billion, six hundred ninety million, three hundred thirty-four thousand, four hundred nine".