13047448433 has 4 divisors (see below), whose sum is σ = 13147047408. Its totient is φ = 12947849460.

The previous prime is 13047448399. The next prime is 13047448451. The reversal of 13047448433 is 33484474031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13047448433 - 2¹⁴ = 13047432049 is a prime.

It is a super-2 number, since 2×13047448433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13047498433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49799291 + ... + 49799552.

It is an arithmetic number, because the mean of its divisors is an integer number (3286761852).

Almost surely, 2^13047448433 is an apocalyptic number.

It is an amenable number.

13047448433 is a deficient number, since it is larger than the sum of its proper divisors (99598975).

13047448433 is an equidigital number, since it uses as much as digits as its factorization.

13047448433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99598974.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 13047448433 in words is "thirteen billion, forty-seven million, four hundred forty-eight thousand, four hundred thirty-three".