1238410682503 has 2 divisors, whose sum is σ = 1238410682504. Its totient is φ = 1238410682502.

The previous prime is 1238410682501. The next prime is 1238410682543. The reversal of 1238410682503 is 3052860148321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1238410682503 - 2¹ = 1238410682501 is a prime.

It is a super-2 number, since 2×1238410682503² (a number of 25 digits) contains 22 as substring.

Together with 1238410682501, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1238410682503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1238410682501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619205341251 + 619205341252.

It is an arithmetic number, because the mean of its divisors is an integer number (619205341252).

Almost surely, 2^{1238410682503} is an apocalyptic number.

1238410682503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238410682503 is an equidigital number, since it uses as much as digits as its factorization.

1238410682503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 1238410682503 in words is "one trillion, two hundred thirty-eight billion, four hundred ten million, six hundred eighty-two thousand, five hundred three".