6140018629 has 2 divisors, whose sum is σ = 6140018630. Its totient is φ = 6140018628.

The previous prime is 6140018609. The next prime is 6140018641. The reversal of 6140018629 is 9268100416.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460904100 + 1679114529 = 66790^2 + 40977^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140018629 - 2²⁹ = 5603147717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140018609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070009314 + 3070009315.

It is an arithmetic number, because the mean of its divisors is an integer number (3070009315).

Almost surely, 2^6140018629 is an apocalyptic number.

It is an amenable number.

6140018629 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140018629 is an equidigital number, since it uses as much as digits as its factorization.

6140018629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 6140018629 is about 78358.2709673969. The cubic root of 6140018629 is about 1831.1470834946.

The spelling of 6140018629 in words is "six billion, one hundred forty million, eighteen thousand, six hundred twenty-nine".