12458891469 has 8 divisors (see below), whose sum is σ = 16690585312. Its totient is φ = 8266562640.

The previous prime is 12458891407. The next prime is 12458891477. The reversal of 12458891469 is 96419885421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12458891469 - 2¹² = 12458887373 is a prime.

It is a super-2 number, since 2×12458891469² (a number of 21 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 (12458891479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9840514 + ... + 9841779.

It is an arithmetic number, because the mean of its divisors is an integer number (2086323164).

Almost surely, 2^12458891469 is an apocalyptic number.

It is an amenable number.

12458891469 is a deficient number, since it is larger than the sum of its proper divisors (4231693843).

12458891469 is a wasteful number, since it uses less digits than its factorization.

12458891469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19682507.

The product of its digits is 4976640, while the sum is 57.

The spelling of 12458891469 in words is "twelve billion, four hundred fifty-eight million, eight hundred ninety-one thousand, four hundred sixty-nine".