2045653161523 has 2 divisors, whose sum is σ = 2045653161524. Its totient is φ = 2045653161522.

The previous prime is 2045653161479. The next prime is 2045653161533. The reversal of 2045653161523 is 3251613565402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045653161523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045653161523.

It is not a weakly prime, because it can be changed into another prime (2045653161533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022826580761 + 1022826580762.

It is an arithmetic number, because the mean of its divisors is an integer number (1022826580762).

Almost surely, 2^{2045653161523} is an apocalyptic number.

2045653161523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045653161523 is an equidigital number, since it uses as much as digits as its factorization.

2045653161523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 2045653161523 in words is "two trillion, forty-five billion, six hundred fifty-three million, one hundred sixty-one thousand, five hundred twenty-three".