73067189893 has 2 divisors, whose sum is σ = 73067189894. Its totient is φ = 73067189892.

The previous prime is 73067189869. The next prime is 73067189911. The reversal of 73067189893 is 39898176037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53685816804 + 19381373089 = 231702^2 + 139217^2 .

It is a cyclic number.

It is not a de Polignac number, because 73067189893 - 2²⁵ = 73033635461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73067189093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36533594946 + 36533594947.

It is an arithmetic number, because the mean of its divisors is an integer number (36533594947).

Almost surely, 2^73067189893 is an apocalyptic number.

It is an amenable number.

73067189893 is a deficient number, since it is larger than the sum of its proper divisors (1).

73067189893 is an equidigital number, since it uses as much as digits as its factorization.

73067189893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 73067189893 in words is "seventy-three billion, sixty-seven million, one hundred eighty-nine thousand, eight hundred ninety-three".