14434640551 has 32 divisors (see below), whose sum is σ = 15694248960. Its totient is φ = 13227162624.

The previous prime is 14434640543. The next prime is 14434640557. The reversal of 14434640551 is 15504643441.

It is a cyclic number.

It is not a de Polignac number, because 14434640551 - 2³ = 14434640543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14434640551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14434640557) 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 31 ways as a sum of consecutive naturals, for example, 51005656 + ... + 51005938.

It is an arithmetic number, because the mean of its divisors is an integer number (490445280).

Almost surely, 2^14434640551 is an apocalyptic number.

14434640551 is a deficient number, since it is larger than the sum of its proper divisors (1259608409).

14434640551 is a wasteful number, since it uses less digits than its factorization.

14434640551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 14434640551 in words is "fourteen billion, four hundred thirty-four million, six hundred forty thousand, five hundred fifty-one".