2690887297 has 4 divisors (see below), whose sum is σ = 3075299776. Its totient is φ = 2306474820.

The previous prime is 2690887267. The next prime is 2690887301. The reversal of 2690887297 is 7927880962.

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 2690887297 - 2⁷ = 2690887169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690887267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192206229 + ... + 192206242.

It is an arithmetic number, because the mean of its divisors is an integer number (768824944).

Almost surely, 2^2690887297 is an apocalyptic number.

It is an amenable number.

2690887297 is a deficient number, since it is larger than the sum of its proper divisors (384412479).

2690887297 is an equidigital number, since it uses as much as digits as its factorization.

2690887297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384412478.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 2690887297 is about 51873.7630888680. The cubic root of 2690887297 is about 1390.9083132107.

The spelling of 2690887297 in words is "two billion, six hundred ninety million, eight hundred eighty-seven thousand, two hundred ninety-seven".