2690704997 has 4 divisors (see below), whose sum is σ = 2704363596. Its totient is φ = 2677046400.

The previous prime is 2690704967. The next prime is 2690705011. The reversal of 2690704997 is 7994070962.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2454806116 + 235898881 = 49546^2 + 15359^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690704997 - 2²⁰ = 2689656421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690704967) 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, 6829004 + ... + 6829397.

It is an arithmetic number, because the mean of its divisors is an integer number (676090899).

Almost surely, 2^2690704997 is an apocalyptic number.

It is an amenable number.

2690704997 is a deficient number, since it is larger than the sum of its proper divisors (13658599).

2690704997 is a wasteful number, since it uses less digits than its factorization.

2690704997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13658598.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 2690704997 is about 51872.0059087751. The cubic root of 2690704997 is about 1390.8769024673.

The spelling of 2690704997 in words is "two billion, six hundred ninety million, seven hundred four thousand, nine hundred ninety-seven".