4256456543429 has 4 divisors (see below), whose sum is σ = 4256462493120. Its totient is φ = 4256450593740.

The previous prime is 4256456543377. The next prime is 4256456543527. The reversal of 4256456543429 is 9243456546524.

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 a de Polignac number, because none of the positive numbers 2^k-4256456543429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256456443429) 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, 1727357 + ... + 3390674.

It is an arithmetic number, because the mean of its divisors is an integer number (1064115623280).

Almost surely, 2^{4256456543429} is an apocalyptic number.

It is an amenable number.

4256456543429 is a deficient number, since it is larger than the sum of its proper divisors (5949691).

4256456543429 is an equidigital number, since it uses as much as digits as its factorization.

4256456543429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949690.

The product of its digits is 124416000, while the sum is 59.

The spelling of 4256456543429 in words is "four trillion, two hundred fifty-six billion, four hundred fifty-six million, five hundred forty-three thousand, four hundred twenty-nine".