1390316553943 has 2 divisors, whose sum is σ = 1390316553944. Its totient is φ = 1390316553942.

The previous prime is 1390316553937. The next prime is 1390316553961. The reversal of 1390316553943 is 3493556130931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390316553943 - 2¹⁷ = 1390316422871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390316554943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695158276971 + 695158276972.

It is an arithmetic number, because the mean of its divisors is an integer number (695158276972).

Almost surely, 2^{1390316553943} is an apocalyptic number.

1390316553943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390316553943 is an equidigital number, since it uses as much as digits as its factorization.

1390316553943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3936600, while the sum is 52.

The spelling of 1390316553943 in words is "one trillion, three hundred ninety billion, three hundred sixteen million, five hundred fifty-three thousand, nine hundred forty-three".