919275798871 has 2 divisors, whose sum is σ = 919275798872. Its totient is φ = 919275798870.

The previous prime is 919275798869. The next prime is 919275798911. The reversal of 919275798871 is 178897572919.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 919275798871 - 2¹ = 919275798869 is a prime.

Together with 919275798869, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 919275798794 and 919275798803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (919275798671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459637899435 + 459637899436.

It is an arithmetic number, because the mean of its divisors is an integer number (459637899436).

Almost surely, 2^919275798871 is an apocalyptic number.

919275798871 is a deficient number, since it is larger than the sum of its proper divisors (1).

919275798871 is an equidigital number, since it uses as much as digits as its factorization.

919275798871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 73.

The spelling of 919275798871 in words is "nine hundred nineteen billion, two hundred seventy-five million, seven hundred ninety-eight thousand, eight hundred seventy-one".