2911936961 has 2 divisors, whose sum is σ = 2911936962. Its totient is φ = 2911936960.

The previous prime is 2911936921. The next prime is 2911937023. The reversal of 2911936961 is 1696391192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2158159936 + 753777025 = 46456^2 + 27455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2911936961 - 2⁶ = 2911936897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2911936901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1455968480 + 1455968481.

It is an arithmetic number, because the mean of its divisors is an integer number (1455968481).

Almost surely, 2^2911936961 is an apocalyptic number.

It is an amenable number.

2911936961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2911936961 is an equidigital number, since it uses as much as digits as its factorization.

2911936961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 47.

The square root of 2911936961 is about 53962.3661545711. The cubic root of 2911936961 is about 1427.9970918047.

The spelling of 2911936961 in words is "two billion, nine hundred eleven million, nine hundred thirty-six thousand, nine hundred sixty-one".