13649573759 has 2 divisors, whose sum is σ = 13649573760. Its totient is φ = 13649573758.

The previous prime is 13649573741. The next prime is 13649573771. The reversal of 13649573759 is 95737594631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13649573759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13649573698 and 13649573707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13649573719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6824786879 + 6824786880.

It is an arithmetic number, because the mean of its divisors is an integer number (6824786880).

Almost surely, 2^13649573759 is an apocalyptic number.

13649573759 is a deficient number, since it is larger than the sum of its proper divisors (1).

13649573759 is an equidigital number, since it uses as much as digits as its factorization.

13649573759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21432600, while the sum is 59.

The spelling of 13649573759 in words is "thirteen billion, six hundred forty-nine million, five hundred seventy-three thousand, seven hundred fifty-nine".