12457913457 has 8 divisors (see below), whose sum is σ = 18120601440. Its totient is φ = 7550250560.

The previous prime is 12457913443. The next prime is 12457913491. The reversal of 12457913457 is 75431975421.

12457913457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12457913457 - 2⁷ = 12457913329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12457913437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188756232 + ... + 188756297.

It is an arithmetic number, because the mean of its divisors is an integer number (2265075180).

Almost surely, 2^12457913457 is an apocalyptic number.

It is an amenable number.

12457913457 is a deficient number, since it is larger than the sum of its proper divisors (5662687983).

12457913457 is a wasteful number, since it uses less digits than its factorization.

12457913457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377512543.

The product of its digits is 1058400, while the sum is 48.

The spelling of 12457913457 in words is "twelve billion, four hundred fifty-seven million, nine hundred thirteen thousand, four hundred fifty-seven".