609814180831 has 2 divisors, whose sum is σ = 609814180832. Its totient is φ = 609814180830.

The previous prime is 609814180813. The next prime is 609814180879. The reversal of 609814180831 is 138081418906.

Together with previous prime (609814180813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609814180831 is a prime.

It is a super-2 number, since 2×609814180831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609814180331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304907090415 + 304907090416.

It is an arithmetic number, because the mean of its divisors is an integer number (304907090416).

Almost surely, 2^609814180831 is an apocalyptic number.

609814180831 is a deficient number, since it is larger than the sum of its proper divisors (1).

609814180831 is an equidigital number, since it uses as much as digits as its factorization.

609814180831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 609814180831 in words is "six hundred nine billion, eight hundred fourteen million, one hundred eighty thousand, eight hundred thirty-one".