641114414452 has 12 divisors (see below), whose sum is σ = 1121956674916. Its totient is φ = 320555364480.

The previous prime is 641114414449. The next prime is 641114414453. The reversal of 641114414452 is 254414411146.

641114414452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136778666896 + 504335747556 = 369836^2 + 710166^2 .

It is a super-2 number, since 2×641114414452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641114414453) 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, 586702 + ... + 1275322.

Almost surely, 2^641114414452 is an apocalyptic number.

It is an amenable number.

641114414452 is a deficient number, since it is larger than the sum of its proper divisors (480842260464).

641114414452 is a wasteful number, since it uses less digits than its factorization.

641114414452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921378 (or 921376 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

Adding to 641114414452 its reverse (254414411146), we get a palindrome (895528825598).

The spelling of 641114414452 in words is "six hundred forty-one billion, one hundred fourteen million, four hundred fourteen thousand, four hundred fifty-two".