45697782421591 has 2 divisors, whose sum is σ = 45697782421592. Its totient is φ = 45697782421590.

The previous prime is 45697782421553. The next prime is 45697782421609. The reversal of 45697782421591 is 19512428779654.

45697782421591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45697782421591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45697782421591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45697782421691) 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, 22848891210795 + 22848891210796.

It is an arithmetic number, because the mean of its divisors is an integer number (22848891210796).

Almost surely, 2^{45697782421591} is an apocalyptic number.

45697782421591 is a deficient number, since it is larger than the sum of its proper divisors (1).

45697782421591 is an equidigital number, since it uses as much as digits as its factorization.

45697782421591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 304819200, while the sum is 70.

The spelling of 45697782421591 in words is "forty-five trillion, six hundred ninety-seven billion, seven hundred eighty-two million, four hundred twenty-one thousand, five hundred ninety-one".