13402230453 has 6 divisors (see below), whose sum is σ = 19358777334. Its totient is φ = 8934820296.

The previous prime is 13402230437. The next prime is 13402230463. The reversal of 13402230453 is 35403220431.

It can be written as a sum of positive squares in only one way, i.e., 13377698244 + 24532209 = 115662^2 + 4953^2 .

It is not a de Polignac number, because 13402230453 - 2⁴ = 13402230437 is a prime.

It is a super-2 number, since 2×13402230453² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402230463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744568350 + ... + 744568367.

It is an arithmetic number, because the mean of its divisors is an integer number (3226462889).

Almost surely, 2^13402230453 is an apocalyptic number.

It is an amenable number.

13402230453 is a deficient number, since it is larger than the sum of its proper divisors (5956546881).

13402230453 is a wasteful number, since it uses less digits than its factorization.

13402230453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489136723 (or 1489136720 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 13402230453 its reverse (35403220431), we get a palindrome (48805450884).

The spelling of 13402230453 in words is "thirteen billion, four hundred two million, two hundred thirty thousand, four hundred fifty-three".