2643401001 has 8 divisors (see below), whose sum is σ = 3537078624. Its totient is φ = 1755995360.

The previous prime is 2643400997. The next prime is 2643401039. The reversal of 2643401001 is 1001043462.

2643401001 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 a cyclic number.

It is not a de Polignac number, because 2643401001 - 2² = 2643400997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2643401051) 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, 1567011 + ... + 1568696.

It is an arithmetic number, because the mean of its divisors is an integer number (442134828).

Almost surely, 2^2643401001 is an apocalyptic number.

It is an amenable number.

2643401001 is a deficient number, since it is larger than the sum of its proper divisors (893677623).

2643401001 is a wasteful number, since it uses less digits than its factorization.

2643401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135991.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2643401001 is about 51414.0156085867. The cubic root of 2643401001 is about 1382.6778851731.

Adding to 2643401001 its reverse (1001043462), we get a palindrome (3644444463).

The spelling of 2643401001 in words is "two billion, six hundred forty-three million, four hundred one thousand, one".