2276946989 has 2 divisors, whose sum is σ = 2276946990. Its totient is φ = 2276946988.

The previous prime is 2276946937. The next prime is 2276947019. The reversal of 2276946989 is 9896496722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1794793225 + 482153764 = 42365^2 + 21958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2276946989 is a prime.

It is a super-2 number, since 2×2276946989² = 10368975181432332242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2276946689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138473494 + 1138473495.

It is an arithmetic number, because the mean of its divisors is an integer number (1138473495).

Almost surely, 2^2276946989 is an apocalyptic number.

It is an amenable number.

2276946989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2276946989 is an equidigital number, since it uses as much as digits as its factorization.

2276946989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 62.

The square root of 2276946989 is about 47717.3656963584. The cubic root of 2276946989 is about 1315.5811430881.

The spelling of 2276946989 in words is "two billion, two hundred seventy-six million, nine hundred forty-six thousand, nine hundred eighty-nine".