675225021993 has 8 divisors (see below), whose sum is σ = 906342312000. Its totient is φ = 447128873328.

The previous prime is 675225021943. The next prime is 675225022093. The reversal of 675225021993 is 399120522576.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-675225021993 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (675225021943) 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 7 ways as a sum of consecutive naturals, for example, 755284813 + ... + 755285706.

It is an arithmetic number, because the mean of its divisors is an integer number (113292789000).

Almost surely, 2^675225021993 is an apocalyptic number.

It is an amenable number.

675225021993 is a deficient number, since it is larger than the sum of its proper divisors (231117290007).

675225021993 is a wasteful number, since it uses less digits than its factorization.

675225021993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510570671.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 675225021993 in words is "six hundred seventy-five billion, two hundred twenty-five million, twenty-one thousand, nine hundred ninety-three".