1400243463539 has 2 divisors, whose sum is σ = 1400243463540. Its totient is φ = 1400243463538.

The previous prime is 1400243463529. The next prime is 1400243463589. The reversal of 1400243463539 is 9353643420041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400243463539 - 2³⁶ = 1331523986803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400243463539.

It is not a weakly prime, because it can be changed into another prime (1400243463529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700121731769 + 700121731770.

It is an arithmetic number, because the mean of its divisors is an integer number (700121731770).

Almost surely, 2^{1400243463539} is an apocalyptic number.

1400243463539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400243463539 is an equidigital number, since it uses as much as digits as its factorization.

1400243463539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 1400243463539 in words is "one trillion, four hundred billion, two hundred forty-three million, four hundred sixty-three thousand, five hundred thirty-nine".