1390293938843 has 2 divisors, whose sum is σ = 1390293938844. Its totient is φ = 1390293938842.

The previous prime is 1390293938837. The next prime is 1390293938909. The reversal of 1390293938843 is 3488393920931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390293938843 - 2⁴ = 1390293938827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1390293938833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695146969421 + 695146969422.

It is an arithmetic number, because the mean of its divisors is an integer number (695146969422).

Almost surely, 2^{1390293938843} is an apocalyptic number.

1390293938843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390293938843 is an equidigital number, since it uses as much as digits as its factorization.

1390293938843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 62.

The spelling of 1390293938843 in words is "one trillion, three hundred ninety billion, two hundred ninety-three million, nine hundred thirty-eight thousand, eight hundred forty-three".