14205215401 has 8 divisors (see below), whose sum is σ = 15388446920. Its totient is φ = 13112504496.

The previous prime is 14205215389. The next prime is 14205215441. The reversal of 14205215401 is 10451250241.

14205215401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 664402176 + 13540813225 = 25776^2 + 116365^2 .

It is not a de Polignac number, because 14205215401 - 2⁵ = 14205215369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14205215441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230670 + ... + 3235063.

It is an arithmetic number, because the mean of its divisors is an integer number (1923555865).

Almost surely, 2^14205215401 is an apocalyptic number.

It is an amenable number.

14205215401 is a deficient number, since it is larger than the sum of its proper divisors (1183231519).

14205215401 is an frugal number, since it uses more digits than its factorization.

14205215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465772 (or 6465746 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 14205215401 its reverse (10451250241), we get a palindrome (24656465642).

The spelling of 14205215401 in words is "fourteen billion, two hundred five million, two hundred fifteen thousand, four hundred one".