8140734893 has 2 divisors, whose sum is σ = 8140734894. Its totient is φ = 8140734892.

The previous prime is 8140734887. The next prime is 8140734919. The reversal of 8140734893 is 3984370418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4206560164 + 3934174729 = 64858^2 + 62723^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140734893 - 2²² = 8136540589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8140734803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070367446 + 4070367447.

It is an arithmetic number, because the mean of its divisors is an integer number (4070367447).

Almost surely, 2^8140734893 is an apocalyptic number.

It is an amenable number.

8140734893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140734893 is an equidigital number, since it uses as much as digits as its factorization.

8140734893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8140734893 is about 90226.0211524370. The cubic root of 8140734893 is about 2011.6598001831.

The spelling of 8140734893 in words is "eight billion, one hundred forty million, seven hundred thirty-four thousand, eight hundred ninety-three".