61244356793 has 2 divisors, whose sum is σ = 61244356794. Its totient is φ = 61244356792.

The previous prime is 61244356751. The next prime is 61244356799. The reversal of 61244356793 is 39765344216.

61244356793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46275323689 + 14969033104 = 215117^2 + 122348^2 .

It is a cyclic number.

It is not a de Polignac number, because 61244356793 - 2¹⁰ = 61244355769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61244356799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30622178396 + 30622178397.

It is an arithmetic number, because the mean of its divisors is an integer number (30622178397).

Almost surely, 2^61244356793 is an apocalyptic number.

It is an amenable number.

61244356793 is a deficient number, since it is larger than the sum of its proper divisors (1).

61244356793 is an equidigital number, since it uses as much as digits as its factorization.

61244356793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The spelling of 61244356793 in words is "sixty-one billion, two hundred forty-four million, three hundred fifty-six thousand, seven hundred ninety-three".