3956677289 has 2 divisors, whose sum is σ = 3956677290. Its totient is φ = 3956677288.

The previous prime is 3956677273. The next prime is 3956677303. The reversal of 3956677289 is 9827766593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3956410000 + 267289 = 62900^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3956677289 - 2⁴ = 3956677273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3956677229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978338644 + 1978338645.

It is an arithmetic number, because the mean of its divisors is an integer number (1978338645).

Almost surely, 2^3956677289 is an apocalyptic number.

It is an amenable number.

3956677289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956677289 is an equidigital number, since it uses as much as digits as its factorization.

3956677289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 62.

The square root of 3956677289 is about 62902.1246779471. The cubic root of 3956677289 is about 1581.6493603944.

The spelling of 3956677289 in words is "three billion, nine hundred fifty-six million, six hundred seventy-seven thousand, two hundred eighty-nine".