492261787859 has 2 divisors, whose sum is σ = 492261787860. Its totient is φ = 492261787858.

The previous prime is 492261787837. The next prime is 492261787873. The reversal of 492261787859 is 958787162294.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492261787859 is a prime.

It is a super-2 number, since 2×492261787859² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (492261787559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246130893929 + 246130893930.

It is an arithmetic number, because the mean of its divisors is an integer number (246130893930).

Almost surely, 2^492261787859 is an apocalyptic number.

492261787859 is a deficient number, since it is larger than the sum of its proper divisors (1).

492261787859 is an equidigital number, since it uses as much as digits as its factorization.

492261787859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 68.

The spelling of 492261787859 in words is "four hundred ninety-two billion, two hundred sixty-one million, seven hundred eighty-seven thousand, eight hundred fifty-nine".