61229694193 has 4 divisors (see below), whose sum is σ = 62267485680. Its totient is φ = 60191902708.

The previous prime is 61229694181. The next prime is 61229694199. The reversal of 61229694193 is 39149692216.

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 61229694193 - 2¹⁷ = 61229563121 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 61229694193.

It is not an unprimeable number, because it can be changed into a prime (61229694199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518895655 + ... + 518895772.

It is an arithmetic number, because the mean of its divisors is an integer number (15566871420).

Almost surely, 2^61229694193 is an apocalyptic number.

It is an amenable number.

61229694193 is a deficient number, since it is larger than the sum of its proper divisors (1037791487).

61229694193 is a wasteful number, since it uses less digits than its factorization.

61229694193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037791486.

The product of its digits is 1259712, while the sum is 52.

The spelling of 61229694193 in words is "sixty-one billion, two hundred twenty-nine million, six hundred ninety-four thousand, one hundred ninety-three".