73326464891 has 2 divisors, whose sum is σ = 73326464892. Its totient is φ = 73326464890.

The previous prime is 73326464873. The next prime is 73326464899. The reversal of 73326464891 is 19846462337.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73326464891 - 2¹⁰ = 73326463867 is a prime.

It is a super-2 number, since 2×73326464891² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73326464899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36663232445 + 36663232446.

It is an arithmetic number, because the mean of its divisors is an integer number (36663232446).

Almost surely, 2^73326464891 is an apocalyptic number.

73326464891 is a deficient number, since it is larger than the sum of its proper divisors (1).

73326464891 is an equidigital number, since it uses as much as digits as its factorization.

73326464891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 73326464891 in words is "seventy-three billion, three hundred twenty-six million, four hundred sixty-four thousand, eight hundred ninety-one".