325555539139 has 2 divisors, whose sum is σ = 325555539140. Its totient is φ = 325555539138.

The previous prime is 325555539137. The next prime is 325555539151. The reversal of 325555539139 is 931935555523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325555539139 - 2¹ = 325555539137 is a prime.

It is a super-2 number, since 2×325555539139² (a number of 24 digits) contains 22 as substring.

Together with 325555539137, 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 325555539139.

It is not a weakly prime, because it can be changed into another prime (325555539131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162777769569 + 162777769570.

It is an arithmetic number, because the mean of its divisors is an integer number (162777769570).

Almost surely, 2^325555539139 is an apocalyptic number.

325555539139 is a deficient number, since it is larger than the sum of its proper divisors (1).

325555539139 is an equidigital number, since it uses as much as digits as its factorization.

325555539139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13668750, while the sum is 55.

The spelling of 325555539139 in words is "three hundred twenty-five billion, five hundred fifty-five million, five hundred thirty-nine thousand, one hundred thirty-nine".