13400422453 has 12 divisors (see below), whose sum is σ = 14804184780. Its totient is φ = 12120342080.

The previous prime is 13400422447. The next prime is 13400422471. The reversal of 13400422453 is 35422400431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11462485969 + 1937936484 = 107063^2 + 44022^2 .

It is not a de Polignac number, because 13400422453 - 2²¹ = 13398325301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400422153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257248 + ... + 304921.

It is an arithmetic number, because the mean of its divisors is an integer number (1233682065).

Almost surely, 2^13400422453 is an apocalyptic number.

It is an amenable number.

13400422453 is a deficient number, since it is larger than the sum of its proper divisors (1403762327).

13400422453 is a wasteful number, since it uses less digits than its factorization.

13400422453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562388 (or 562377 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13400422453 its reverse (35422400431), we get a palindrome (48822822884).

The spelling of 13400422453 in words is "thirteen billion, four hundred million, four hundred twenty-two thousand, four hundred fifty-three".