614705950943993 has 2 divisors, whose sum is σ = 614705950943994. Its totient is φ = 614705950943992.

The previous prime is 614705950943983. The next prime is 614705950944011. The reversal of 614705950943993 is 399349059507416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335893700724409 + 278812250219584 = 18327403^2 + 16697672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614705950943993 is a prime.

It is a super-2 number, since 2×614705950943993² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 614705950943993.

It is not a weakly prime, because it can be changed into another prime (614705950943983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307352975471996 + 307352975471997.

It is an arithmetic number, because the mean of its divisors is an integer number (307352975471997).

Almost surely, 2^{614705950943993} is an apocalyptic number.

It is an amenable number.

614705950943993 is a deficient number, since it is larger than the sum of its proper divisors (1).

614705950943993 is an equidigital number, since it uses as much as digits as its factorization.

614705950943993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 992023200, while the sum is 74.

The spelling of 614705950943993 in words is "six hundred fourteen trillion, seven hundred five billion, nine hundred fifty million, nine hundred forty-three thousand, nine hundred ninety-three".