508871238149 has 2 divisors, whose sum is σ = 508871238150. Its totient is φ = 508871238148.

The previous prime is 508871238103. The next prime is 508871238181. The reversal of 508871238149 is 941832178805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503825977249 + 5045260900 = 709807^2 + 71030^2 .

It is a cyclic number.

It is not a de Polignac number, because 508871238149 - 2²⁸ = 508602802693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 508871238094 and 508871238103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508871238749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254435619074 + 254435619075.

It is an arithmetic number, because the mean of its divisors is an integer number (254435619075).

Almost surely, 2^508871238149 is an apocalyptic number.

It is an amenable number.

508871238149 is a deficient number, since it is larger than the sum of its proper divisors (1).

508871238149 is an equidigital number, since it uses as much as digits as its factorization.

508871238149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 508871238149 in words is "five hundred eight billion, eight hundred seventy-one million, two hundred thirty-eight thousand, one hundred forty-nine".