13345244677 has 2 divisors, whose sum is σ = 13345244678. Its totient is φ = 13345244676.

The previous prime is 13345244659. The next prime is 13345244701. The reversal of 13345244677 is 77644254331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10749749761 + 2595494916 = 103681^2 + 50946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13345244677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13345244617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672622338 + 6672622339.

It is an arithmetic number, because the mean of its divisors is an integer number (6672622339).

Almost surely, 2^13345244677 is an apocalyptic number.

It is an amenable number.

13345244677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13345244677 is an equidigital number, since it uses as much as digits as its factorization.

13345244677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 46.

The spelling of 13345244677 in words is "thirteen billion, three hundred forty-five million, two hundred forty-four thousand, six hundred seventy-seven".