613024546781 has 2 divisors, whose sum is σ = 613024546782. Its totient is φ = 613024546780.

The previous prime is 613024546727. The next prime is 613024546817. The reversal of 613024546781 is 187645420316.

Together with next prime (613024546817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602588902756 + 10435644025 = 776266^2 + 102155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613024546781 is a prime.

It is a super-2 number, since 2×613024546781² (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 (613024540781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306512273390 + 306512273391.

It is an arithmetic number, because the mean of its divisors is an integer number (306512273391).

Almost surely, 2^613024546781 is an apocalyptic number.

It is an amenable number.

613024546781 is a deficient number, since it is larger than the sum of its proper divisors (1).

613024546781 is an equidigital number, since it uses as much as digits as its factorization.

613024546781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 613024546781 in words is "six hundred thirteen billion, twenty-four million, five hundred forty-six thousand, seven hundred eighty-one".