351071136643 has 4 divisors (see below), whose sum is σ = 351075453768. Its totient is φ = 351066819520.

The previous prime is 351071136641. The next prime is 351071136653. The reversal of 351071136643 is 346631170153.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 351071136643 - 2¹ = 351071136641 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351071136596 and 351071136605.

It is not an unprimeable number, because it can be changed into a prime (351071136641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034193 + ... + 2200018.

It is an arithmetic number, because the mean of its divisors is an integer number (87768863442).

Almost surely, 2^351071136643 is an apocalyptic number.

351071136643 is a deficient number, since it is larger than the sum of its proper divisors (4317125).

351071136643 is an equidigital number, since it uses as much as digits as its factorization.

351071136643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317124.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 351071136643 in words is "three hundred fifty-one billion, seventy-one million, one hundred thirty-six thousand, six hundred forty-three".