350537474561 has 4 divisors (see below), whose sum is σ = 354760817712. Its totient is φ = 346314131412.

The previous prime is 350537474557. The next prime is 350537474569. The reversal of 350537474561 is 165474735053.

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: 165474735053 = 19433 ⋅8515141.

It is a cyclic number.

It is not a de Polignac number, because 350537474561 - 2² = 350537474557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350537474569) 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, 2111671451 + ... + 2111671616.

It is an arithmetic number, because the mean of its divisors is an integer number (88690204428).

Almost surely, 2^350537474561 is an apocalyptic number.

It is an amenable number.

350537474561 is a deficient number, since it is larger than the sum of its proper divisors (4223343151).

350537474561 is an equidigital number, since it uses as much as digits as its factorization.

350537474561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223343150.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 350537474561 in words is "three hundred fifty billion, five hundred thirty-seven million, four hundred seventy-four thousand, five hundred sixty-one".