14431402521413 has 4 divisors (see below), whose sum is σ = 15190950022560. Its totient is φ = 13671855020268.

The previous prime is 14431402521409. The next prime is 14431402521463. The reversal of 14431402521413 is 31412520413441.

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 14431402521413 - 2² = 14431402521409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431402521463) 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, 379773750545 + ... + 379773750582.

It is an arithmetic number, because the mean of its divisors is an integer number (3797737505640).

Almost surely, 2^{14431402521413} is an apocalyptic number.

It is an amenable number.

14431402521413 is a deficient number, since it is larger than the sum of its proper divisors (759547501147).

14431402521413 is an equidigital number, since it uses as much as digits as its factorization.

14431402521413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759547501146.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 14431402521413 its reverse (31412520413441), we get a palindrome (45843922934854).

The spelling of 14431402521413 in words is "fourteen trillion, four hundred thirty-one billion, four hundred two million, five hundred twenty-one thousand, four hundred thirteen".