4012768691 has 2 divisors, whose sum is σ = 4012768692. Its totient is φ = 4012768690.

The previous prime is 4012768637. The next prime is 4012768703. The reversal of 4012768691 is 1968672104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012768691 - 2¹⁰ = 4012767667 is a prime.

It is a super-2 number, since 2×4012768691² = 32204625134939706962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012768601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006384345 + 2006384346.

It is an arithmetic number, because the mean of its divisors is an integer number (2006384346).

Almost surely, 2^4012768691 is an apocalyptic number.

4012768691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012768691 is an equidigital number, since it uses as much as digits as its factorization.

4012768691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4012768691 is about 63346.4181386762. The cubic root of 4012768691 is about 1589.0883439910.

The spelling of 4012768691 in words is "four billion, twelve million, seven hundred sixty-eight thousand, six hundred ninety-one".