351750320473 has 4 divisors (see below), whose sum is σ = 359930560528. Its totient is φ = 343570080420.

The previous prime is 351750320413. The next prime is 351750320483. The reversal of 351750320473 is 374023057153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374023057153 = 27947 ⋅13383299.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351750320473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351750320413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090119963 + ... + 4090120048.

It is an arithmetic number, because the mean of its divisors is an integer number (89982640132).

Almost surely, 2^351750320473 is an apocalyptic number.

It is an amenable number.

351750320473 is a deficient number, since it is larger than the sum of its proper divisors (8180240055).

351750320473 is an equidigital number, since it uses as much as digits as its factorization.

351750320473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180240054.

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 351750320473 in words is "three hundred fifty-one billion, seven hundred fifty million, three hundred twenty thousand, four hundred seventy-three".