73067231389 has 2 divisors, whose sum is σ = 73067231390. Its totient is φ = 73067231388.

The previous prime is 73067231359. The next prime is 73067231411. The reversal of 73067231389 is 98313276037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39079359225 + 33987872164 = 197685^2 + 184358^2 .

It is a cyclic number.

It is not a de Polignac number, because 73067231389 - 2⁷ = 73067231261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73067231359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36533615694 + 36533615695.

It is an arithmetic number, because the mean of its divisors is an integer number (36533615695).

Almost surely, 2^73067231389 is an apocalyptic number.

It is an amenable number.

73067231389 is a deficient number, since it is larger than the sum of its proper divisors (1).

73067231389 is an equidigital number, since it uses as much as digits as its factorization.

73067231389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 73067231389 in words is "seventy-three billion, sixty-seven million, two hundred thirty-one thousand, three hundred eighty-nine".