1522543494139 has 2 divisors, whose sum is σ = 1522543494140. Its totient is φ = 1522543494138.

The previous prime is 1522543494079. The next prime is 1522543494149. The reversal of 1522543494139 is 9314943452251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1522543494139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1522543494149) 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, 761271747069 + 761271747070.

It is an arithmetic number, because the mean of its divisors is an integer number (761271747070).

Almost surely, 2^{1522543494139} is an apocalyptic number.

1522543494139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522543494139 is an equidigital number, since it uses as much as digits as its factorization.

1522543494139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The spelling of 1522543494139 in words is "one trillion, five hundred twenty-two billion, five hundred forty-three million, four hundred ninety-four thousand, one hundred thirty-nine".