73541036749 has 2 divisors, whose sum is σ = 73541036750. Its totient is φ = 73541036748.

The previous prime is 73541036731. The next prime is 73541036759. The reversal of 73541036749 is 94763014537.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40082042025 + 33458994724 = 200205^2 + 182918^2 .

It is an emirp because it is prime and its reverse (94763014537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73541036749 - 2¹¹ = 73541034701 is a prime.

It is a super-2 number, since 2×73541036749² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73541036759) 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 as a sum of consecutive naturals, namely, 36770518374 + 36770518375.

It is an arithmetic number, because the mean of its divisors is an integer number (36770518375).

Almost surely, 2^73541036749 is an apocalyptic number.

It is an amenable number.

73541036749 is a deficient number, since it is larger than the sum of its proper divisors (1).

73541036749 is an equidigital number, since it uses as much as digits as its factorization.

73541036749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 73541036749 in words is "seventy-three billion, five hundred forty-one million, thirty-six thousand, seven hundred forty-nine".