42846826768453 has 2 divisors, whose sum is σ = 42846826768454. Its totient is φ = 42846826768452.

The previous prime is 42846826768423. The next prime is 42846826768463. The reversal of 42846826768453 is 35486762864824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23525817516964 + 19321009251489 = 4850342^2 + 4395567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42846826768453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42846826768423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423413384226 + 21423413384227.

It is an arithmetic number, because the mean of its divisors is an integer number (21423413384227).

Almost surely, 2^{42846826768453} is an apocalyptic number.

It is an amenable number.

42846826768453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846826768453 is an equidigital number, since it uses as much as digits as its factorization.

42846826768453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2972712960, while the sum is 73.

The spelling of 42846826768453 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-six million, seven hundred sixty-eight thousand, four hundred fifty-three".