8719192934381 has 2 divisors, whose sum is σ = 8719192934382. Its totient is φ = 8719192934380.

The previous prime is 8719192934321. The next prime is 8719192934411. The reversal of 8719192934381 is 1834392919178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5300147862025 + 3419045072356 = 2302205^2 + 1849066^2 .

It is a cyclic number.

It is not a de Polignac number, because 8719192934381 - 2¹⁸ = 8719192672237 is a prime.

It is a super-2 number, since 2×8719192934381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8719192934321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4359596467190 + 4359596467191.

It is an arithmetic number, because the mean of its divisors is an integer number (4359596467191).

Almost surely, 2^{8719192934381} is an apocalyptic number.

It is an amenable number.

8719192934381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8719192934381 is an equidigital number, since it uses as much as digits as its factorization.

8719192934381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 65.

The spelling of 8719192934381 in words is "eight trillion, seven hundred nineteen billion, one hundred ninety-two million, nine hundred thirty-four thousand, three hundred eighty-one".