503407143397 has 2 divisors, whose sum is σ = 503407143398. Its totient is φ = 503407143396.

The previous prime is 503407143389. The next prime is 503407143467. The reversal of 503407143397 is 793341704305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481370928481 + 22036214916 = 693809^2 + 148446^2 .

It is a cyclic number.

It is not a de Polignac number, because 503407143397 - 2³ = 503407143389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503407143307) 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, 251703571698 + 251703571699.

It is an arithmetic number, because the mean of its divisors is an integer number (251703571699).

Almost surely, 2^503407143397 is an apocalyptic number.

It is an amenable number.

503407143397 is a deficient number, since it is larger than the sum of its proper divisors (1).

503407143397 is an equidigital number, since it uses as much as digits as its factorization.

503407143397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 503407143397 in words is "five hundred three billion, four hundred seven million, one hundred forty-three thousand, three hundred ninety-seven".