6503238265039 has 2 divisors, whose sum is σ = 6503238265040. Its totient is φ = 6503238265038.

The previous prime is 6503238265019. The next prime is 6503238265141. The reversal of 6503238265039 is 9305628323056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6503238265039 - 2¹⁷ = 6503238133967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6503238265019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251619132519 + 3251619132520.

It is an arithmetic number, because the mean of its divisors is an integer number (3251619132520).

Almost surely, 2^{6503238265039} is an apocalyptic number.

6503238265039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6503238265039 is an equidigital number, since it uses as much as digits as its factorization.

6503238265039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 6503238265039 in words is "six trillion, five hundred three billion, two hundred thirty-eight million, two hundred sixty-five thousand, thirty-nine".