4069387778971 has 2 divisors, whose sum is σ = 4069387778972. Its totient is φ = 4069387778970.

The previous prime is 4069387778941. The next prime is 4069387779013. The reversal of 4069387778971 is 1798777839604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4069387778971 is a prime.

It is a super-3 number, since 3×4069387778971³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4069387778941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034693889485 + 2034693889486.

It is an arithmetic number, because the mean of its divisors is an integer number (2034693889486).

Almost surely, 2^{4069387778971} is an apocalyptic number.

4069387778971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4069387778971 is an equidigital number, since it uses as much as digits as its factorization.

4069387778971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896168448, while the sum is 76.

The spelling of 4069387778971 in words is "four trillion, sixty-nine billion, three hundred eighty-seven million, seven hundred seventy-eight thousand, nine hundred seventy-one".