61993003073 has 4 divisors (see below), whose sum is σ = 61995909168. Its totient is φ = 61990096980.

The previous prime is 61993003067. The next prime is 61993003109. The reversal of 61993003073 is 37030039916.

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 61993003073 - 2¹⁴ = 61992986689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61993003073.

It is not an unprimeable number, because it can be changed into a prime (61993003013) 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, 1420811 + ... + 1463792.

It is an arithmetic number, because the mean of its divisors is an integer number (15498977292).

Almost surely, 2^61993003073 is an apocalyptic number.

It is an amenable number.

61993003073 is a deficient number, since it is larger than the sum of its proper divisors (2906095).

61993003073 is a wasteful number, since it uses less digits than its factorization.

61993003073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906094.

The product of its (nonzero) digits is 91854, while the sum is 41.

The spelling of 61993003073 in words is "sixty-one billion, nine hundred ninety-three million, three thousand, seventy-three".