61198934193 has 12 divisors (see below), whose sum is σ = 88437760528. Its totient is φ = 40781151000.

The previous prime is 61198934191. The next prime is 61198934227. The reversal of 61198934193 is 39143989116.

61198934193 is a `hidden beast` number, since 611 + 9 + 8 + 9 + 3 + 4 + 19 + 3 = 666.

It is not a de Polignac number, because 61198934193 - 2¹ = 61198934191 is a prime.

It is a super-2 number, since 2×61198934193² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61198934191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1490155 + ... + 1530672.

Almost surely, 2^61198934193 is an apocalyptic number.

It is an amenable number.

61198934193 is a deficient number, since it is larger than the sum of its proper divisors (27238826335).

61198934193 is a wasteful number, since it uses less digits than its factorization.

61198934193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023084 (or 3023081 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The spelling of 61198934193 in words is "sixty-one billion, one hundred ninety-eight million, nine hundred thirty-four thousand, one hundred ninety-three".