874434591097 has 2 divisors, whose sum is σ = 874434591098. Its totient is φ = 874434591096.

The previous prime is 874434591071. The next prime is 874434591137. The reversal of 874434591097 is 790195434478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839314331881 + 35120259216 = 916141^2 + 187404^2 .

It is a cyclic number.

It is not a de Polignac number, because 874434591097 - 2²⁷ = 874300373369 is a prime.

It is not a weakly prime, because it can be changed into another prime (874434591007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437217295548 + 437217295549.

It is an arithmetic number, because the mean of its divisors is an integer number (437217295549).

Almost surely, 2^874434591097 is an apocalyptic number.

It is an amenable number.

874434591097 is a deficient number, since it is larger than the sum of its proper divisors (1).

874434591097 is an equidigital number, since it uses as much as digits as its factorization.

874434591097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 874434591097 in words is "eight hundred seventy-four billion, four hundred thirty-four million, five hundred ninety-one thousand, ninety-seven".