2641428433 has 4 divisors (see below), whose sum is σ = 3018775360. Its totient is φ = 2264081508.

The previous prime is 2641428401. The next prime is 2641428451. The reversal of 2641428433 is 3348241462.

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.

It is a cyclic number.

It is not a de Polignac number, because 2641428433 - 2⁵ = 2641428401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2641428392 and 2641428401.

It is not an unprimeable number, because it can be changed into a prime (2641428463) 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, 188673453 + ... + 188673466.

It is an arithmetic number, because the mean of its divisors is an integer number (754693840).

Almost surely, 2^2641428433 is an apocalyptic number.

It is an amenable number.

2641428433 is a deficient number, since it is larger than the sum of its proper divisors (377346927).

2641428433 is an equidigital number, since it uses as much as digits as its factorization.

2641428433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377346926.

The product of its digits is 110592, while the sum is 37.

The square root of 2641428433 is about 51394.8288546620. The cubic root of 2641428433 is about 1382.3338706688. Note that the first 3 decimals are identical.

Adding to 2641428433 its reverse (3348241462), we get a palindrome (5989669895).

The spelling of 2641428433 in words is "two billion, six hundred forty-one million, four hundred twenty-eight thousand, four hundred thirty-three".