2696038561 has 4 divisors (see below), whose sum is σ = 2702265412. Its totient is φ = 2689811712.

The previous prime is 2696038537. The next prime is 2696038577. The reversal of 2696038561 is 1658306962.

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 1329331600 + 1366706961 = 36460^2 + 36969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2696038561 - 2⁵ = 2696038529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2696008561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112776 + ... + 3113641.

It is an arithmetic number, because the mean of its divisors is an integer number (675566353).

Almost surely, 2^2696038561 is an apocalyptic number.

It is an amenable number.

2696038561 is a deficient number, since it is larger than the sum of its proper divisors (6226851).

2696038561 is an equidigital number, since it uses as much as digits as its factorization.

2696038561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226850.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2696038561 is about 51923.3912702165. The cubic root of 2696038561 is about 1391.7953030093.

The spelling of 2696038561 in words is "two billion, six hundred ninety-six million, thirty-eight thousand, five hundred sixty-one".