2742374198897 has 2 divisors, whose sum is σ = 2742374198898. Its totient is φ = 2742374198896.

The previous prime is 2742374198827. The next prime is 2742374198953. The reversal of 2742374198897 is 7988914732472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2195778657856 + 546595541041 = 1481816^2 + 739321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742374198897 - 2¹⁰ = 2742374197873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2742374198897.

It is not a weakly prime, because it can be changed into another prime (2742374198827) 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, 1371187099448 + 1371187099449.

It is an arithmetic number, because the mean of its divisors is an integer number (1371187099449).

Almost surely, 2^{2742374198897} is an apocalyptic number.

It is an amenable number.

2742374198897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742374198897 is an equidigital number, since it uses as much as digits as its factorization.

2742374198897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 341397504, while the sum is 71.

The spelling of 2742374198897 in words is "two trillion, seven hundred forty-two billion, three hundred seventy-four million, one hundred ninety-eight thousand, eight hundred ninety-seven".