675345616529 has 8 divisors (see below), whose sum is σ = 718038936648. Its totient is φ = 632981975040.

The previous prime is 675345616501. The next prime is 675345616531. The reversal of 675345616529 is 925616543576.

It can be written as a sum of positive squares in 4 ways, for example, as 137986246225 + 537359370304 = 371465^2 + 733048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675345616529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675345516529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82415432 + ... + 82423625.

It is an arithmetic number, because the mean of its divisors is an integer number (89754867081).

Almost surely, 2^675345616529 is an apocalyptic number.

It is an amenable number.

675345616529 is a deficient number, since it is larger than the sum of its proper divisors (42693320119).

675345616529 is a wasteful number, since it uses less digits than its factorization.

675345616529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164839315.

The product of its digits is 40824000, while the sum is 59.

The spelling of 675345616529 in words is "six hundred seventy-five billion, three hundred forty-five million, six hundred sixteen thousand, five hundred twenty-nine".