13033400451 has 16 divisors (see below), whose sum is σ = 17553382560. Its totient is φ = 8601367040.

The previous prime is 13033400449. The next prime is 13033400503. The reversal of 13033400451 is 15400433031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13033400451 - 2¹ = 13033400449 is a prime.

It is a super-2 number, since 2×13033400451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13033402451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254905 + ... + 301733.

It is an arithmetic number, because the mean of its divisors is an integer number (1097086410).

Almost surely, 2^13033400451 is an apocalyptic number.

13033400451 is a deficient number, since it is larger than the sum of its proper divisors (4519982109).

13033400451 is a wasteful number, since it uses less digits than its factorization.

13033400451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47766.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 13033400451 its reverse (15400433031), we get a palindrome (28433833482).

The spelling of 13033400451 in words is "thirteen billion, thirty-three million, four hundred thousand, four hundred fifty-one".