2897963368 has 8 divisors (see below), whose sum is σ = 5433681330. Its totient is φ = 1448981680.

The previous prime is 2897963351. The next prime is 2897963381. The reversal of 2897963368 is 8633697982.

It can be written as a sum of positive squares in only one way, i.e., 2132777124 + 765186244 = 46182^2 + 27662^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181122703 + ... + 181122718.

Almost surely, 2^2897963368 is an apocalyptic number.

It is an amenable number.

2897963368 is a deficient number, since it is larger than the sum of its proper divisors (2535717962).

2897963368 is a wasteful number, since it uses less digits than its factorization.

2897963368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362245427 (or 362245423 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The square root of 2897963368 is about 53832.7350967792. The cubic root of 2897963368 is about 1425.7092384916.

The spelling of 2897963368 in words is "two billion, eight hundred ninety-seven million, nine hundred sixty-three thousand, three hundred sixty-eight".