2695990217 has 8 divisors (see below), whose sum is σ = 2708727816. Its totient is φ = 2683279872.

The previous prime is 2695990201. The next prime is 2695990267. The reversal of 2695990217 is 7120995962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110166016 + 2585824201 = 10496^2 + 50851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2695990217 - 2⁴ = 2695990201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2695990267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207023 + ... + 219659.

It is an arithmetic number, because the mean of its divisors is an integer number (338590977).

Almost surely, 2^2695990217 is an apocalyptic number.

It is an amenable number.

2695990217 is a deficient number, since it is larger than the sum of its proper divisors (12737599).

2695990217 is a wasteful number, since it uses less digits than its factorization.

2695990217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 2695990217 is about 51922.9257361332. The cubic root of 2695990217 is about 1391.7869839697.

The spelling of 2695990217 in words is "two billion, six hundred ninety-five million, nine hundred ninety thousand, two hundred seventeen".