13545244451 has 2 divisors, whose sum is σ = 13545244452. Its totient is φ = 13545244450.

The previous prime is 13545244423. The next prime is 13545244459. The reversal of 13545244451 is 15444254531.

It is a strong prime.

It is an emirp because it is prime and its reverse (15444254531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13545244451 - 2¹⁰ = 13545243427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13545244459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6772622225 + 6772622226.

It is an arithmetic number, because the mean of its divisors is an integer number (6772622226).

Almost surely, 2^13545244451 is an apocalyptic number.

13545244451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13545244451 is an equidigital number, since it uses as much as digits as its factorization.

13545244451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 38.

Adding to 13545244451 its reverse (15444254531), we get a palindrome (28989498982).

The spelling of 13545244451 in words is "thirteen billion, five hundred forty-five million, two hundred forty-four thousand, four hundred fifty-one".