73374374897 has 2 divisors, whose sum is σ = 73374374898. Its totient is φ = 73374374896.

The previous prime is 73374374809. The next prime is 73374374977. The reversal of 73374374897 is 79847347337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49018402801 + 24355972096 = 221401^2 + 156064^2 .

It is a cyclic number.

It is not a de Polignac number, because 73374374897 - 2¹⁰ = 73374373873 is a prime.

It is not a weakly prime, because it can be changed into another prime (73374374797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36687187448 + 36687187449.

It is an arithmetic number, because the mean of its divisors is an integer number (36687187449).

Almost surely, 2^73374374897 is an apocalyptic number.

It is an amenable number.

73374374897 is a deficient number, since it is larger than the sum of its proper divisors (1).

73374374897 is an equidigital number, since it uses as much as digits as its factorization.

73374374897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 62.

The spelling of 73374374897 in words is "seventy-three billion, three hundred seventy-four million, three hundred seventy-four thousand, eight hundred ninety-seven".