4006692779 has 2 divisors, whose sum is σ = 4006692780. Its totient is φ = 4006692778.

The previous prime is 4006692769. The next prime is 4006692791. The reversal of 4006692779 is 9772966004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4006692779 - 2¹⁶ = 4006627243 is a prime.

It is not a weakly prime, because it can be changed into another prime (4006692709) 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, 2003346389 + 2003346390.

It is an arithmetic number, because the mean of its divisors is an integer number (2003346390).

Almost surely, 2^4006692779 is an apocalyptic number.

4006692779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006692779 is an equidigital number, since it uses as much as digits as its factorization.

4006692779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 4006692779 is about 63298.4421530262. The cubic root of 4006692779 is about 1588.2859023446.

The spelling of 4006692779 in words is "four billion, six million, six hundred ninety-two thousand, seven hundred seventy-nine".