2051356452097 has 2 divisors, whose sum is σ = 2051356452098. Its totient is φ = 2051356452096.

The previous prime is 2051356452059. The next prime is 2051356452133. The reversal of 2051356452097 is 7902546531502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2047872619521 + 3483832576 = 1431039^2 + 59024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051356452097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2051356452097.

It is not a weakly prime, because it can be changed into another prime (2051356252097) 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, 1025678226048 + 1025678226049.

It is an arithmetic number, because the mean of its divisors is an integer number (1025678226049).

Almost surely, 2^{2051356452097} is an apocalyptic number.

It is an amenable number.

2051356452097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051356452097 is an equidigital number, since it uses as much as digits as its factorization.

2051356452097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 2051356452097 in words is "two trillion, fifty-one billion, three hundred fifty-six million, four hundred fifty-two thousand, ninety-seven".