434437273145 has 4 divisors (see below), whose sum is σ = 521324727780. Its totient is φ = 347549818512.

The previous prime is 434437273129. The next prime is 434437273177. The reversal of 434437273145 is 541372734434.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72625399081 + 361811874064 = 269491^2 + 601508^2 .

It is a cyclic number.

It is not a de Polignac number, because 434437273145 - 2⁴ = 434437273129 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 434437273145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43443727310 + ... + 43443727319.

It is an arithmetic number, because the mean of its divisors is an integer number (130331181945).

Almost surely, 2^434437273145 is an apocalyptic number.

It is an amenable number.

434437273145 is a deficient number, since it is larger than the sum of its proper divisors (86887454635).

434437273145 is an equidigital number, since it uses as much as digits as its factorization.

434437273145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86887454634.

The product of its digits is 3386880, while the sum is 47.

The spelling of 434437273145 in words is "four hundred thirty-four billion, four hundred thirty-seven million, two hundred seventy-three thousand, one hundred forty-five".