2894696661 has 8 divisors (see below), whose sum is σ = 3949353760. Its totient is φ = 1884918672.

The previous prime is 2894696659. The next prime is 2894696669. The reversal of 2894696661 is 1666964982.

It is a happy number.

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

It is not a de Polignac number, because 2894696661 - 2¹ = 2894696659 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 (2894696669) 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, 11219626 + ... + 11219883.

It is an arithmetic number, because the mean of its divisors is an integer number (493669220).

Almost surely, 2^2894696661 is an apocalyptic number.

It is an amenable number.

2894696661 is a deficient number, since it is larger than the sum of its proper divisors (1054657099).

2894696661 is a wasteful number, since it uses less digits than its factorization.

2894696661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439555.

The product of its digits is 6718464, while the sum is 57.

The square root of 2894696661 is about 53802.3852724022. The cubic root of 2894696661 is about 1425.1733304703.

The spelling of 2894696661 in words is "two billion, eight hundred ninety-four million, six hundred ninety-six thousand, six hundred sixty-one".