2894039969 has 2 divisors, whose sum is σ = 2894039970. Its totient is φ = 2894039968.

The previous prime is 2894039947. The next prime is 2894039977. The reversal of 2894039969 is 9699304982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2273382400 + 620657569 = 47680^2 + 24913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2894039969 is a prime.

It is a super-2 number, since 2×2894039969² = 16750934684339041922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2894039569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447019984 + 1447019985.

It is an arithmetic number, because the mean of its divisors is an integer number (1447019985).

Almost surely, 2^2894039969 is an apocalyptic number.

It is an amenable number.

2894039969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2894039969 is an equidigital number, since it uses as much as digits as its factorization.

2894039969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The square root of 2894039969 is about 53796.2821113132. The cubic root of 2894039969 is about 1425.0655505293.

The spelling of 2894039969 in words is "two billion, eight hundred ninety-four million, thirty-nine thousand, nine hundred sixty-nine".