2117443401 has 12 divisors (see below), whose sum is σ = 3133128180. Its totient is φ = 1377198720.

The previous prime is 2117443379. The next prime is 2117443403. The reversal of 2117443401 is 1043447112.

2117443401 is a `hidden beast` number, since 211 + 7 + 4 + 43 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1249551801 + 867891600 = 35349^2 + 29460^2 .

It is not a de Polignac number, because 2117443401 - 2²² = 2113249097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2117443403) 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 11 ways as a sum of consecutive naturals, for example, 2868796 + ... + 2869533.

It is an arithmetic number, because the mean of its divisors is an integer number (261094015).

Almost surely, 2^2117443401 is an apocalyptic number.

It is an amenable number.

2117443401 is a deficient number, since it is larger than the sum of its proper divisors (1015684779).

2117443401 is a wasteful number, since it uses less digits than its factorization.

2117443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738376 (or 5738373 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2117443401 is about 46015.6864666822. The cubic root of 2117443401 is about 1284.1150525052.

The spelling of 2117443401 in words is "two billion, one hundred seventeen million, four hundred forty-three thousand, four hundred one".