73387305143 has 2 divisors, whose sum is σ = 73387305144. Its totient is φ = 73387305142.

The previous prime is 73387305139. The next prime is 73387305149. The reversal of 73387305143 is 34150378337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73387305143 - 2² = 73387305139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73387305094 and 73387305103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73387305149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36693652571 + 36693652572.

It is an arithmetic number, because the mean of its divisors is an integer number (36693652572).

Almost surely, 2^73387305143 is an apocalyptic number.

73387305143 is a deficient number, since it is larger than the sum of its proper divisors (1).

73387305143 is an equidigital number, since it uses as much as digits as its factorization.

73387305143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 73387305143 in words is "seventy-three billion, three hundred eighty-seven million, three hundred five thousand, one hundred forty-three".