73383542849 has 2 divisors, whose sum is σ = 73383542850. Its totient is φ = 73383542848.

The previous prime is 73383542753. The next prime is 73383542879. The reversal of 73383542849 is 94824538337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72822800449 + 560742400 = 269857^2 + 23680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73383542849 is a prime.

It is a super-2 number, since 2×73383542849² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73383542794 and 73383542803.

It is not a weakly prime, because it can be changed into another prime (73383542879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36691771424 + 36691771425.

It is an arithmetic number, because the mean of its divisors is an integer number (36691771425).

Almost surely, 2^73383542849 is an apocalyptic number.

It is an amenable number.

73383542849 is a deficient number, since it is larger than the sum of its proper divisors (1).

73383542849 is an equidigital number, since it uses as much as digits as its factorization.

73383542849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 56.

The spelling of 73383542849 in words is "seventy-three billion, three hundred eighty-three million, five hundred forty-two thousand, eight hundred forty-nine".