61844322793 has 4 divisors (see below), whose sum is σ = 67466533968. Its totient is φ = 56222111620.

The previous prime is 61844322779. The next prime is 61844322833. The reversal of 61844322793 is 39722344816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61844322793 - 2²⁵ = 61810768361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61844322703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811105571 + ... + 2811105592.

It is an arithmetic number, because the mean of its divisors is an integer number (16866633492).

Almost surely, 2^61844322793 is an apocalyptic number.

It is an amenable number.

61844322793 is a deficient number, since it is larger than the sum of its proper divisors (5622211175).

61844322793 is a wasteful number, since it uses less digits than its factorization.

61844322793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622211174.

The product of its digits is 1741824, while the sum is 49.

The spelling of 61844322793 in words is "sixty-one billion, eight hundred forty-four million, three hundred twenty-two thousand, seven hundred ninety-three".