351173827042 has 4 divisors (see below), whose sum is σ = 526760740566. Its totient is φ = 175586913520.

The previous prime is 351173827033. The next prime is 351173827061. The reversal of 351173827042 is 240728371153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240728371153 = 28439 ⋅8464727.

It can be written as a sum of positive squares in only one way, i.e., 337559838001 + 13613989041 = 580999^2 + 116679^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 351173827042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87793456759 + ... + 87793456762.

Almost surely, 2^351173827042 is an apocalyptic number.

351173827042 is a deficient number, since it is larger than the sum of its proper divisors (175586913524).

351173827042 is a wasteful number, since it uses less digits than its factorization.

351173827042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175586913523.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 351173827042 in words is "three hundred fifty-one billion, one hundred seventy-three million, eight hundred twenty-seven thousand, forty-two".