675683123042 has 4 divisors (see below), whose sum is σ = 1013524684566. Its totient is φ = 337841561520.

The previous prime is 675683123033. The next prime is 675683123053. The reversal of 675683123042 is 240321386576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 427259629801 + 248423493241 = 653651^2 + 498421^2 .

It is a super-2 number, since 2×675683123042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168920780759 + ... + 168920780762.

Almost surely, 2^675683123042 is an apocalyptic number.

675683123042 is a deficient number, since it is larger than the sum of its proper divisors (337841561524).

675683123042 is a wasteful number, since it uses less digits than its factorization.

675683123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337841561523.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 675683123042 in words is "six hundred seventy-five billion, six hundred eighty-three million, one hundred twenty-three thousand, forty-two".