61733436243 has 8 divisors (see below), whose sum is σ = 82531923408. Its totient is φ = 41045286624.

The previous prime is 61733436227. The next prime is 61733436283. The reversal of 61733436243 is 34263433716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61733436243 - 2⁴ = 61733436227 is a prime.

It is a super-2 number, since 2×61733436243² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61733436195 and 61733436204.

It is not an unprimeable number, because it can be changed into a prime (61733436203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27583080 + ... + 27585317.

It is an arithmetic number, because the mean of its divisors is an integer number (10316490426).

Almost surely, 2^61733436243 is an apocalyptic number.

61733436243 is a deficient number, since it is larger than the sum of its proper divisors (20798487165).

61733436243 is a wasteful number, since it uses less digits than its factorization.

61733436243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55168773.

The product of its digits is 653184, while the sum is 42.

Adding to 61733436243 its reverse (34263433716), we get a palindrome (95996869959).

The spelling of 61733436243 in words is "sixty-one billion, seven hundred thirty-three million, four hundred thirty-six thousand, two hundred forty-three".