126453385469 has 4 divisors (see below), whose sum is σ = 126494404896. Its totient is φ = 126412366044.

The previous prime is 126453385447. The next prime is 126453385493. The reversal of 126453385469 is 964583354621.

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 126453385469 - 2²⁸ = 126184950013 is a prime.

It is a super-2 number, since 2×126453385469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126453385439) 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, 20505089 + ... + 20511254.

It is an arithmetic number, because the mean of its divisors is an integer number (31623601224).

Almost surely, 2^126453385469 is an apocalyptic number.

It is an amenable number.

126453385469 is a deficient number, since it is larger than the sum of its proper divisors (41019427).

126453385469 is an equidigital number, since it uses as much as digits as its factorization.

126453385469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41019426.

The product of its digits is 18662400, while the sum is 56.

The spelling of 126453385469 in words is "one hundred twenty-six billion, four hundred fifty-three million, three hundred eighty-five thousand, four hundred sixty-nine".