13455394613 has 2 divisors, whose sum is σ = 13455394614. Its totient is φ = 13455394612.

The previous prime is 13455394607. The next prime is 13455394639. The reversal of 13455394613 is 31649355431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12031237969 + 1424156644 = 109687^2 + 37738^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455394613 - 2¹⁶ = 13455329077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13455394913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727697306 + 6727697307.

It is an arithmetic number, because the mean of its divisors is an integer number (6727697307).

Almost surely, 2^13455394613 is an apocalyptic number.

It is an amenable number.

13455394613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455394613 is an equidigital number, since it uses as much as digits as its factorization.

13455394613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The spelling of 13455394613 in words is "thirteen billion, four hundred fifty-five million, three hundred ninety-four thousand, six hundred thirteen".