61034246813 has 2 divisors, whose sum is σ = 61034246814. Its totient is φ = 61034246812.

The previous prime is 61034246807. The next prime is 61034246831. The reversal of 61034246813 is 31864243016.

It is a happy number.

Together with next prime (61034246831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50273711524 + 10760535289 = 224218^2 + 103733^2 .

It is a cyclic number.

It is not a de Polignac number, because 61034246813 - 2¹⁶ = 61034181277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61034246893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30517123406 + 30517123407.

It is an arithmetic number, because the mean of its divisors is an integer number (30517123407).

Almost surely, 2^61034246813 is an apocalyptic number.

It is an amenable number.

61034246813 is a deficient number, since it is larger than the sum of its proper divisors (1).

61034246813 is an equidigital number, since it uses as much as digits as its factorization.

61034246813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 61034246813 its reverse (31864243016), we get a palindrome (92898489829).

The spelling of 61034246813 in words is "sixty-one billion, thirty-four million, two hundred forty-six thousand, eight hundred thirteen".