675639038529 has 48 divisors (see below), whose sum is σ = 1202137931904. Its totient is φ = 356083776000.

The previous prime is 675639038509. The next prime is 675639038539. The reversal of 675639038529 is 925830936576.

675639038529 is a `hidden beast` number, since 6 + 75 + 6 + 3 + 9 + 0 + 38 + 529 = 666.

It is not a de Polignac number, because 675639038529 - 2⁸ = 675639038273 is a prime.

It is a super-2 number, since 2×675639038529² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (675639038509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 640174 + ... + 1327064.

It is an arithmetic number, because the mean of its divisors is an integer number (25044540248).

Almost surely, 2^675639038529 is an apocalyptic number.

It is an amenable number.

675639038529 is a deficient number, since it is larger than the sum of its proper divisors (526498893375).

675639038529 is a wasteful number, since it uses less digits than its factorization.

675639038529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688118 (or 688115 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 675639038529 in words is "six hundred seventy-five billion, six hundred thirty-nine million, thirty-eight thousand, five hundred twenty-nine".