13445711477 has 4 divisors (see below), whose sum is σ = 14668048896. Its totient is φ = 12223374060.

The previous prime is 13445711453. The next prime is 13445711491. The reversal of 13445711477 is 77411754431.

13445711477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13445711477 - 2⁸ = 13445711221 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 (13445710477) 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 3 ways as a sum of consecutive naturals, for example, 611168693 + ... + 611168714.

It is an arithmetic number, because the mean of its divisors is an integer number (3667012224).

Almost surely, 2^13445711477 is an apocalyptic number.

It is an amenable number.

13445711477 is a deficient number, since it is larger than the sum of its proper divisors (1222337419).

13445711477 is a wasteful number, since it uses less digits than its factorization.

13445711477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222337418.

The product of its digits is 329280, while the sum is 44.

The spelling of 13445711477 in words is "thirteen billion, four hundred forty-five million, seven hundred eleven thousand, four hundred seventy-seven".