2406181801 has 4 divisors (see below), whose sum is σ = 2464869204. Its totient is φ = 2347494400.

The previous prime is 2406181741. The next prime is 2406181847. The reversal of 2406181801 is 1081816042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356265625 + 2049916176 = 18875^2 + 45276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406181801 - 2²⁹ = 1869310889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2406181861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29343640 + ... + 29343721.

It is an arithmetic number, because the mean of its divisors is an integer number (616217301).

Almost surely, 2^2406181801 is an apocalyptic number.

It is an amenable number.

2406181801 is a deficient number, since it is larger than the sum of its proper divisors (58687403).

2406181801 is an equidigital number, since it uses as much as digits as its factorization.

2406181801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58687402.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 2406181801 is about 49052.8470223697. The cubic root of 2406181801 is about 1340.0144427418.

Adding to 2406181801 its reverse (1081816042), we get a palindrome (3487997843).

The spelling of 2406181801 in words is "two billion, four hundred six million, one hundred eighty-one thousand, eight hundred one".