641424146 has 24 divisors (see below), whose sum is σ = 1094034060. Its totient is φ = 281499680.

The previous prime is 641424101. The next prime is 641424149.

641424146 is nontrivially palindromic in base 10.

641424146 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 639533521 + 1890625 = 25289^2 + 1375^2 .

It is a super-2 number, since 2×641424146² = 822849870143658632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641424149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38681 + ... + 52716.

Almost surely, 2^641424146 is an apocalyptic number.

641424146 is a deficient number, since it is larger than the sum of its proper divisors (452609914).

641424146 is a wasteful number, since it uses less digits than its factorization.

641424146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91450 (or 91439 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 641424146 is about 25326.3527970373. The cubic root of 641424146 is about 862.4126169541.

The spelling of 641424146 in words is "six hundred forty-one million, four hundred twenty-four thousand, one hundred forty-six".