4256154514079 has 4 divisors (see below), whose sum is σ = 4583551015176. Its totient is φ = 3928758012984.

The previous prime is 4256154514057. The next prime is 4256154514229. The reversal of 4256154514079 is 9704154516524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4256154514079 - 2²⁴ = 4256137736863 is a prime.

It is a super-2 number, since 2×4256154514079² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4256154514079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256154514009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163698250529 + ... + 163698250554.

It is an arithmetic number, because the mean of its divisors is an integer number (1145887753794).

Almost surely, 2^{4256154514079} is an apocalyptic number.

4256154514079 is a deficient number, since it is larger than the sum of its proper divisors (327396501097).

4256154514079 is a wasteful number, since it uses less digits than its factorization.

4256154514079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327396501096.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 4256154514079 in words is "four trillion, two hundred fifty-six billion, one hundred fifty-four million, five hundred fourteen thousand, seventy-nine".