351568422473 has 4 divisors (see below), whose sum is σ = 351572082708. Its totient is φ = 351564762240.

The previous prime is 351568422467. The next prime is 351568422481. The reversal of 351568422473 is 374224865153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374224865153 = 23 ⋅16270646311.

It can be written as a sum of positive squares in 2 ways, for example, as 325644846409 + 25923576064 = 570653^2 + 161008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351568422473 is a prime.

It is a super-2 number, since 2×351568422473² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351568428473) 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 3 ways as a sum of consecutive naturals, for example, 1682048 + ... + 1879473.

It is an arithmetic number, because the mean of its divisors is an integer number (87893020677).

Almost surely, 2^351568422473 is an apocalyptic number.

It is an amenable number.

351568422473 is a deficient number, since it is larger than the sum of its proper divisors (3660235).

351568422473 is an equidigital number, since it uses as much as digits as its factorization.

351568422473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660234.

The product of its digits is 4838400, while the sum is 50.

The spelling of 351568422473 in words is "three hundred fifty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-three".