506013448387 has 2 divisors, whose sum is σ = 506013448388. Its totient is φ = 506013448386.

The previous prime is 506013448379. The next prime is 506013448397. The reversal of 506013448387 is 783844310605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506013448387 - 2³ = 506013448379 is a prime.

It is a super-2 number, since 2×506013448387² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 506013448387.

It is not a weakly prime, because it can be changed into another prime (506013448397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253006724193 + 253006724194.

It is an arithmetic number, because the mean of its divisors is an integer number (253006724194).

Almost surely, 2^506013448387 is an apocalyptic number.

506013448387 is a deficient number, since it is larger than the sum of its proper divisors (1).

506013448387 is an equidigital number, since it uses as much as digits as its factorization.

506013448387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 506013448387 in words is "five hundred six billion, thirteen million, four hundred forty-eight thousand, three hundred eighty-seven".