19714382893 has 2 divisors, whose sum is σ = 19714382894. Its totient is φ = 19714382892.

The previous prime is 19714382851. The next prime is 19714382923. The reversal of 19714382893 is 39828341791.

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., 19606160484 + 108222409 = 140022^2 + 10403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19714382893 is a prime.

It is a super-2 number, since 2×19714382893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19714382833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9857191446 + 9857191447.

It is an arithmetic number, because the mean of its divisors is an integer number (9857191447).

Almost surely, 2^19714382893 is an apocalyptic number.

It is an amenable number.

19714382893 is a deficient number, since it is larger than the sum of its proper divisors (1).

19714382893 is an equidigital number, since it uses as much as digits as its factorization.

19714382893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The spelling of 19714382893 in words is "nineteen billion, seven hundred fourteen million, three hundred eighty-two thousand, eight hundred ninety-three".