14454751477 has 4 divisors (see below), whose sum is σ = 14466992076. Its totient is φ = 14442510880.

The previous prime is 14454751471. The next prime is 14454751489. The reversal of 14454751477 is 77415745441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6152990481 + 8301760996 = 78441^2 + 91114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14454751477 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 14454751477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14454751471) 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, 6118528 + ... + 6120889.

It is an arithmetic number, because the mean of its divisors is an integer number (3616748019).

Almost surely, 2^14454751477 is an apocalyptic number.

It is an amenable number.

14454751477 is a deficient number, since it is larger than the sum of its proper divisors (12240599).

14454751477 is a wasteful number, since it uses less digits than its factorization.

14454751477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240598.

The product of its digits is 2195200, while the sum is 49.

The spelling of 14454751477 in words is "fourteen billion, four hundred fifty-four million, seven hundred fifty-one thousand, four hundred seventy-seven".