73838881229 has 2 divisors, whose sum is σ = 73838881230. Its totient is φ = 73838881228.

The previous prime is 73838881211. The next prime is 73838881241. The reversal of 73838881229 is 92218883837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54090200329 + 19748680900 = 232573^2 + 140530^2 .

It is an emirp because it is prime and its reverse (92218883837) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73838881229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73838881279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36919440614 + 36919440615.

It is an arithmetic number, because the mean of its divisors is an integer number (36919440615).

Almost surely, 2^73838881229 is an apocalyptic number.

It is an amenable number.

73838881229 is a deficient number, since it is larger than the sum of its proper divisors (1).

73838881229 is an equidigital number, since it uses as much as digits as its factorization.

73838881229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 59.

The spelling of 73838881229 in words is "seventy-three billion, eight hundred thirty-eight million, eight hundred eighty-one thousand, two hundred twenty-nine".