641434413 has 8 divisors (see below), whose sum is σ = 855524608. Its totient is φ = 427483584.

The previous prime is 641434399. The next prime is 641434439. The reversal of 641434413 is 314434146.

641434413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 641434413 - 2¹³ = 641426221 is a prime.

It is a super-2 number, since 2×641434413² = 822876212361309138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641434513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23581 + ... + 42882.

It is an arithmetic number, because the mean of its divisors is an integer number (106940576).

Almost surely, 2^641434413 is an apocalyptic number.

It is an amenable number.

641434413 is a deficient number, since it is larger than the sum of its proper divisors (214090195).

641434413 is a wasteful number, since it uses less digits than its factorization.

641434413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69683.

The product of its digits is 13824, while the sum is 30.

The square root of 641434413 is about 25326.5554902359. Note that the first 3 decimals coincide. The cubic root of 641434413 is about 862.4172183520.

Adding to 641434413 its reverse (314434146), we get a palindrome (955868559).

The spelling of 641434413 in words is "six hundred forty-one million, four hundred thirty-four thousand, four hundred thirteen".