350521200641 has 4 divisors (see below), whose sum is σ = 356462238000. Its totient is φ = 344580163284.

The previous prime is 350521200587. The next prime is 350521200697. The reversal of 350521200641 is 146002125053.

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: 146002125053 = 10369 ⋅14080637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350521200641 is a prime.

It is a super-2 number, since 2×350521200641² (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 (350521209641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970518591 + ... + 2970518708.

It is an arithmetic number, because the mean of its divisors is an integer number (89115559500).

Almost surely, 2^350521200641 is an apocalyptic number.

It is an amenable number.

350521200641 is a deficient number, since it is larger than the sum of its proper divisors (5941037359).

350521200641 is an equidigital number, since it uses as much as digits as its factorization.

350521200641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941037358.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 350521200641 its reverse (146002125053), we get a palindrome (496523325694).

The spelling of 350521200641 in words is "three hundred fifty billion, five hundred twenty-one million, two hundred thousand, six hundred forty-one".