2695694408449 has 27 divisors (see below), whose sum is σ = 3177074085507. Its totient is φ = 2280578777568.

The previous prime is 2695694408441. The next prime is 2695694408453. The reversal of 2695694408449 is 9448044965962.

The square root of 2695694408449 is 1641857.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16318274049 + 2679376134400 = 127743^2 + 1636880^2 .

It is not a de Polignac number, because 2695694408449 - 2³ = 2695694408441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2695694408441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 907945437 + ... + 907948405.

Almost surely, 2^{2695694408449} is an apocalyptic number.

2695694408449 is the 1641857-th square number.

2695694408449 is the 820929-th centered octagonal number.

It is an amenable number.

2695694408449 is a deficient number, since it is larger than the sum of its proper divisors (481379677058).

2695694408449 is an frugal number, since it uses more digits than its factorization.

2695694408449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 70.

The spelling of 2695694408449 in words is "two trillion, six hundred ninety-five billion, six hundred ninety-four million, four hundred eight thousand, four hundred forty-nine".