2144774696 has 8 divisors (see below), whose sum is σ = 4021452570. Its totient is φ = 1072387344.

The previous prime is 2144774677. The next prime is 2144774741. The reversal of 2144774696 is 6964774412.

It can be written as a sum of positive squares in only one way, i.e., 2133146596 + 11628100 = 46186^2 + 3410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134048411 + ... + 134048426.

Almost surely, 2^2144774696 is an apocalyptic number.

It is an amenable number.

2144774696 is a deficient number, since it is larger than the sum of its proper divisors (1876677874).

2144774696 is a wasteful number, since it uses less digits than its factorization.

2144774696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268096843 (or 268096839 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 2144774696 is about 46311.7122982945. The cubic root of 2144774696 is about 1289.6164346479.

The spelling of 2144774696 in words is "two billion, one hundred forty-four million, seven hundred seventy-four thousand, six hundred ninety-six".