73900848389 has 2 divisors, whose sum is σ = 73900848390. Its totient is φ = 73900848388.

The previous prime is 73900848377. The next prime is 73900848431. The reversal of 73900848389 is 98384800937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54958831489 + 18942016900 = 234433^2 + 137630^2 .

It is an emirp because it is prime and its reverse (98384800937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73900848389 - 2³⁶ = 5181371653 is a prime.

It is a super-2 number, since 2×73900848389² (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 (73900848089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36950424194 + 36950424195.

It is an arithmetic number, because the mean of its divisors is an integer number (36950424195).

Almost surely, 2^73900848389 is an apocalyptic number.

It is an amenable number.

73900848389 is a deficient number, since it is larger than the sum of its proper divisors (1).

73900848389 is an equidigital number, since it uses as much as digits as its factorization.

73900848389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 73900848389 in words is "seventy-three billion, nine hundred million, eight hundred forty-eight thousand, three hundred eighty-nine".