1400969538559 has 2 divisors, whose sum is σ = 1400969538560. Its totient is φ = 1400969538558.

The previous prime is 1400969538517. The next prime is 1400969538589. The reversal of 1400969538559 is 9558359690041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9558359690041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400969538559 - 2⁷ = 1400969538431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400969538559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400969538509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700484769279 + 700484769280.

It is an arithmetic number, because the mean of its divisors is an integer number (700484769280).

Almost surely, 2^{1400969538559} is an apocalyptic number.

1400969538559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400969538559 is an equidigital number, since it uses as much as digits as its factorization.

1400969538559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488000, while the sum is 64.

The spelling of 1400969538559 in words is "one trillion, four hundred billion, nine hundred sixty-nine million, five hundred thirty-eight thousand, five hundred fifty-nine".