8140603769 has 2 divisors, whose sum is σ = 8140603770. Its totient is φ = 8140603768.

The previous prime is 8140603747. The next prime is 8140603837. The reversal of 8140603769 is 9673060418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7640857744 + 499746025 = 87412^2 + 22355^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140603769 - 2²⁴ = 8123826553 is a prime.

It is a super-2 number, since 2×8140603769² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8140623769) 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, 4070301884 + 4070301885.

It is an arithmetic number, because the mean of its divisors is an integer number (4070301885).

Almost surely, 2^8140603769 is an apocalyptic number.

It is an amenable number.

8140603769 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140603769 is an equidigital number, since it uses as much as digits as its factorization.

8140603769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 8140603769 is about 90225.2945076934. The cubic root of 8140603769 is about 2011.6489994262.

The spelling of 8140603769 in words is "eight billion, one hundred forty million, six hundred three thousand, seven hundred sixty-nine".