854492709619 has 2 divisors, whose sum is σ = 854492709620. Its totient is φ = 854492709618.

The previous prime is 854492709617. The next prime is 854492709647. The reversal of 854492709619 is 916907294458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 854492709619 - 2¹ = 854492709617 is a prime.

It is a super-2 number, since 2×854492709619² (a number of 25 digits) contains 22 as substring.

Together with 854492709617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (854492709611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427246354809 + 427246354810.

It is an arithmetic number, because the mean of its divisors is an integer number (427246354810).

Almost surely, 2^854492709619 is an apocalyptic number.

854492709619 is a deficient number, since it is larger than the sum of its proper divisors (1).

854492709619 is an equidigital number, since it uses as much as digits as its factorization.

854492709619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 854492709619 in words is "eight hundred fifty-four billion, four hundred ninety-two million, seven hundred nine thousand, six hundred nineteen".