2169941401 has 4 divisors (see below), whose sum is σ = 2170046052. Its totient is φ = 2169836752.

The previous prime is 2169941393. The next prime is 2169941413. The reversal of 2169941401 is 1041499612.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 697224025 + 1472717376 = 26405^2 + 38376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2169941401 - 2³ = 2169941393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2169941461) 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, 9586 + ... + 66571.

It is an arithmetic number, because the mean of its divisors is an integer number (542511513).

Almost surely, 2^2169941401 is an apocalyptic number.

It is an amenable number.

2169941401 is a deficient number, since it is larger than the sum of its proper divisors (104651).

2169941401 is an equidigital number, since it uses as much as digits as its factorization.

2169941401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104650.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2169941401 is about 46582.6298205672. The cubic root of 2169941401 is about 1294.6409366123.

The spelling of 2169941401 in words is "two billion, one hundred sixty-nine million, nine hundred forty-one thousand, four hundred one".