73749219337 has 2 divisors, whose sum is σ = 73749219338. Its totient is φ = 73749219336.

The previous prime is 73749219311. The next prime is 73749219343. The reversal of 73749219337 is 73391294737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64436776336 + 9312443001 = 253844^2 + 96501^2 .

It is a cyclic number.

It is not a de Polignac number, because 73749219337 - 2¹⁵ = 73749186569 is a prime.

It is not a weakly prime, because it can be changed into another prime (73749214337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36874609668 + 36874609669.

It is an arithmetic number, because the mean of its divisors is an integer number (36874609669).

Almost surely, 2^73749219337 is an apocalyptic number.

It is an amenable number.

73749219337 is a deficient number, since it is larger than the sum of its proper divisors (1).

73749219337 is an equidigital number, since it uses as much as digits as its factorization.

73749219337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6001128, while the sum is 55.

The spelling of 73749219337 in words is "seventy-three billion, seven hundred forty-nine million, two hundred nineteen thousand, three hundred thirty-seven".