2940696691 has 2 divisors, whose sum is σ = 2940696692. Its totient is φ = 2940696690.

The previous prime is 2940696641. The next prime is 2940696739. The reversal of 2940696691 is 1966960492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2940696691 - 2⁹ = 2940696179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2940696641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470348345 + 1470348346.

It is an arithmetic number, because the mean of its divisors is an integer number (1470348346).

Almost surely, 2^2940696691 is an apocalyptic number.

2940696691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940696691 is an equidigital number, since it uses as much as digits as its factorization.

2940696691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 2940696691 is about 54228.1909250161. The cubic root of 2940696691 is about 1432.6829009489.

The spelling of 2940696691 in words is "two billion, nine hundred forty million, six hundred ninety-six thousand, six hundred ninety-one".