625359538329 has 4 divisors (see below), whose sum is σ = 833812717776. Its totient is φ = 416906358884.

The previous prime is 625359538303. The next prime is 625359538373. The reversal of 625359538329 is 923835953526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625359538329 - 2⁷ = 625359538201 is a prime.

It is a super-2 number, since 2×625359538329² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625359538399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104226589719 + ... + 104226589724.

It is an arithmetic number, because the mean of its divisors is an integer number (208453179444).

Almost surely, 2^625359538329 is an apocalyptic number.

It is an amenable number.

625359538329 is a deficient number, since it is larger than the sum of its proper divisors (208453179447).

625359538329 is a wasteful number, since it uses less digits than its factorization.

625359538329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208453179446.

The product of its digits is 52488000, while the sum is 60.

The spelling of 625359538329 in words is "six hundred twenty-five billion, three hundred fifty-nine million, five hundred thirty-eight thousand, three hundred twenty-nine".