2569694216 has 16 divisors (see below), whose sum is σ = 5071765200. Its totient is φ = 1217223504.

The previous prime is 2569694213. The next prime is 2569694249. The reversal of 2569694216 is 6124969652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2569694213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8452790 + ... + 8453093.

It is an arithmetic number, because the mean of its divisors is an integer number (316985325).

Almost surely, 2^2569694216 is an apocalyptic number.

It is an amenable number.

2569694216 is a deficient number, since it is larger than the sum of its proper divisors (2502070984).

2569694216 is a wasteful number, since it uses less digits than its factorization.

2569694216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905908 (or 16905904 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 2569694216 is about 50692.1514240617. The cubic root of 2569694216 is about 1369.7053402201.

The spelling of 2569694216 in words is "two billion, five hundred sixty-nine million, six hundred ninety-four thousand, two hundred sixteen".