2182661400401 has 4 divisors (see below), whose sum is σ = 2253069832704. Its totient is φ = 2112252968100.

The previous prime is 2182661400389. The next prime is 2182661400427. The reversal of 2182661400401 is 1040041662812.

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 2182661400401 - 2¹⁰ = 2182661399377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182661400461) 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, 35204216105 + ... + 35204216166.

It is an arithmetic number, because the mean of its divisors is an integer number (563267458176).

Almost surely, 2^{2182661400401} is an apocalyptic number.

It is an amenable number.

2182661400401 is a deficient number, since it is larger than the sum of its proper divisors (70408432303).

2182661400401 is an equidigital number, since it uses as much as digits as its factorization.

2182661400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70408432302.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 2182661400401 in words is "two trillion, one hundred eighty-two billion, six hundred sixty-one million, four hundred thousand, four hundred one".