507138603739 has 2 divisors, whose sum is σ = 507138603740. Its totient is φ = 507138603738.

The previous prime is 507138603737. The next prime is 507138603743. The reversal of 507138603739 is 937306831705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507138603739 - 2¹ = 507138603737 is a prime.

Together with 507138603737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (507138603737) 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, 253569301869 + 253569301870.

It is an arithmetic number, because the mean of its divisors is an integer number (253569301870).

Almost surely, 2^507138603739 is an apocalyptic number.

507138603739 is a deficient number, since it is larger than the sum of its proper divisors (1).

507138603739 is an equidigital number, since it uses as much as digits as its factorization.

507138603739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 507138603739 in words is "five hundred seven billion, one hundred thirty-eight million, six hundred three thousand, seven hundred thirty-nine".