14443377407 has 4 divisors (see below), whose sum is σ = 14518997376. Its totient is φ = 14367757440.

The previous prime is 14443377397. The next prime is 14443377409. The reversal of 14443377407 is 70477334441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70477334441 = 78697 ⋅895553.

It is a cyclic number.

It is not a de Polignac number, because 14443377407 - 2⁶ = 14443377343 is a prime.

It is a super-2 number, since 2×14443377407² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14443377409) 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, 37809698 + ... + 37810079.

It is an arithmetic number, because the mean of its divisors is an integer number (3629749344).

Almost surely, 2^14443377407 is an apocalyptic number.

14443377407 is a deficient number, since it is larger than the sum of its proper divisors (75619969).

14443377407 is an equidigital number, since it uses as much as digits as its factorization.

14443377407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75619968.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 14443377407 in words is "fourteen billion, four hundred forty-three million, three hundred seventy-seven thousand, four hundred seven".