191192679373 has 2 divisors, whose sum is σ = 191192679374. Its totient is φ = 191192679372.

The previous prime is 191192679371. The next prime is 191192679437. The reversal of 191192679373 is 373976291191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105234062404 + 85958616969 = 324398^2 + 293187^2 .

It is a cyclic number.

It is not a de Polignac number, because 191192679373 - 2¹ = 191192679371 is a prime.

Together with 191192679371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191192679371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95596339686 + 95596339687.

It is an arithmetic number, because the mean of its divisors is an integer number (95596339687).

Almost surely, 2^191192679373 is an apocalyptic number.

It is an amenable number.

191192679373 is a deficient number, since it is larger than the sum of its proper divisors (1).

191192679373 is an equidigital number, since it uses as much as digits as its factorization.

191192679373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3857868, while the sum is 58.

The spelling of 191192679373 in words is "one hundred ninety-one billion, one hundred ninety-two million, six hundred seventy-nine thousand, three hundred seventy-three".