1427503322591 has 2 divisors, whose sum is σ = 1427503322592. Its totient is φ = 1427503322590.

The previous prime is 1427503322549. The next prime is 1427503322617. The reversal of 1427503322591 is 1952233057241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427503322591 is a prime.

It is a super-2 number, since 2×1427503322591² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427503324591) 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, 713751661295 + 713751661296.

It is an arithmetic number, because the mean of its divisors is an integer number (713751661296).

Almost surely, 2^{1427503322591} is an apocalyptic number.

1427503322591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427503322591 is an equidigital number, since it uses as much as digits as its factorization.

1427503322591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 1427503322591 in words is "one trillion, four hundred twenty-seven billion, five hundred three million, three hundred twenty-two thousand, five hundred ninety-one".