1357968719539 has 2 divisors, whose sum is σ = 1357968719540. Its totient is φ = 1357968719538.

The previous prime is 1357968719509. The next prime is 1357968719593. The reversal of 1357968719539 is 9359178697531.

Together with next prime (1357968719593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1357968719539 - 2²³ = 1357960330931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1357968719509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678984359769 + 678984359770.

It is an arithmetic number, because the mean of its divisors is an integer number (678984359770).

Almost surely, 2^{1357968719539} is an apocalyptic number.

1357968719539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357968719539 is an equidigital number, since it uses as much as digits as its factorization.

1357968719539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 385786800, while the sum is 73.

The spelling of 1357968719539 in words is "one trillion, three hundred fifty-seven billion, nine hundred sixty-eight million, seven hundred nineteen thousand, five hundred thirty-nine".