12394277454 has 16 divisors (see below), whose sum is σ = 26695366992. Its totient is φ = 3813623808.

The previous prime is 12394277453. The next prime is 12394277459. The reversal of 12394277454 is 45477249321.

It is a super-2 number, since 2×12394277454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12394277453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79450419 + ... + 79450574.

It is an arithmetic number, because the mean of its divisors is an integer number (1668460437).

Almost surely, 2^12394277454 is an apocalyptic number.

12394277454 is an abundant number, since it is smaller than the sum of its proper divisors (14301089538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12394277454 is a wasteful number, since it uses less digits than its factorization.

12394277454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158901011.

The product of its digits is 1693440, while the sum is 48.

The spelling of 12394277454 in words is "twelve billion, three hundred ninety-four million, two hundred seventy-seven thousand, four hundred fifty-four".