13377240771 has 4 divisors (see below), whose sum is σ = 17836321032. Its totient is φ = 8918160512.

The previous prime is 13377240707. The next prime is 13377240781. The reversal of 13377240771 is 17704277331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13377240771 - 2⁶ = 13377240707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13377240781) 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 3 ways as a sum of consecutive naturals, for example, 2229540126 + ... + 2229540131.

It is an arithmetic number, because the mean of its divisors is an integer number (4459080258).

Almost surely, 2^13377240771 is an apocalyptic number.

13377240771 is a deficient number, since it is larger than the sum of its proper divisors (4459080261).

13377240771 is an equidigital number, since it uses as much as digits as its factorization.

13377240771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459080260.

The product of its (nonzero) digits is 172872, while the sum is 42.

The spelling of 13377240771 in words is "thirteen billion, three hundred seventy-seven million, two hundred forty thousand, seven hundred seventy-one".