2665322540347 has 2 divisors, whose sum is σ = 2665322540348. Its totient is φ = 2665322540346.

The previous prime is 2665322540333. The next prime is 2665322540351. The reversal of 2665322540347 is 7430452235662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2665322540347 - 2¹⁵ = 2665322507579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2665322540347.

It is not a weakly prime, because it can be changed into another prime (2665322546347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332661270173 + 1332661270174.

It is an arithmetic number, because the mean of its divisors is an integer number (1332661270174).

Almost surely, 2^{2665322540347} is an apocalyptic number.

2665322540347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665322540347 is an equidigital number, since it uses as much as digits as its factorization.

2665322540347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 2665322540347 in words is "two trillion, six hundred sixty-five billion, three hundred twenty-two million, five hundred forty thousand, three hundred forty-seven".