434768478155 has 16 divisors (see below), whose sum is σ = 569167928064. Its totient is φ = 316186109280.

The previous prime is 434768478049. The next prime is 434768478173. The reversal of 434768478155 is 551874867434.

It is a de Polignac number, because none of the positive numbers 2^k-434768478155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241242 + ... + 2427488.

It is an arithmetic number, because the mean of its divisors is an integer number (35572995504).

Almost surely, 2^434768478155 is an apocalyptic number.

434768478155 is a deficient number, since it is larger than the sum of its proper divisors (134399449909).

434768478155 is a wasteful number, since it uses less digits than its factorization.

434768478155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228706.

The product of its digits is 90316800, while the sum is 62.

The spelling of 434768478155 in words is "four hundred thirty-four billion, seven hundred sixty-eight million, four hundred seventy-eight thousand, one hundred fifty-five".