614144240291 has 2 divisors, whose sum is σ = 614144240292. Its totient is φ = 614144240290.

The previous prime is 614144240261. The next prime is 614144240317. The reversal of 614144240291 is 192042441416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614144240291 is a prime.

It is not a weakly prime, because it can be changed into another prime (614144240261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307072120145 + 307072120146.

It is an arithmetic number, because the mean of its divisors is an integer number (307072120146).

Almost surely, 2^614144240291 is an apocalyptic number.

614144240291 is a deficient number, since it is larger than the sum of its proper divisors (1).

614144240291 is an equidigital number, since it uses as much as digits as its factorization.

614144240291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 614144240291 in words is "six hundred fourteen billion, one hundred forty-four million, two hundred forty thousand, two hundred ninety-one".