641150232353 has 4 divisors (see below), whose sum is σ = 641173761348. Its totient is φ = 641126703360.

The previous prime is 641150232347. The next prime is 641150232361. The reversal of 641150232353 is 353232051146.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 432316770064 + 208833462289 = 657508^2 + 456983^2 .

It is a cyclic number.

It is not a de Polignac number, because 641150232353 - 2¹⁰ = 641150231329 is a prime.

It is a super-2 number, since 2×641150232353² (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 (641150232313) 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, 11723576 + ... + 11778137.

It is an arithmetic number, because the mean of its divisors is an integer number (160293440337).

Almost surely, 2^641150232353 is an apocalyptic number.

It is an amenable number.

641150232353 is a deficient number, since it is larger than the sum of its proper divisors (23528995).

641150232353 is a wasteful number, since it uses less digits than its factorization.

641150232353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23528994.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 641150232353 its reverse (353232051146), we get a palindrome (994382283499).

The spelling of 641150232353 in words is "six hundred forty-one billion, one hundred fifty million, two hundred thirty-two thousand, three hundred fifty-three".