273401434433 has 4 divisors (see below), whose sum is σ = 276220006020. Its totient is φ = 270582862848.

The previous prime is 273401434393. The next prime is 273401434513. The reversal of 273401434433 is 334434104372.

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 65143373824 + 208258060609 = 255232^2 + 456353^2 .

It is a cyclic number.

It is not a de Polignac number, because 273401434433 - 2³² = 269106467137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173401434433) 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, 1409285648 + ... + 1409285841.

It is an arithmetic number, because the mean of its divisors is an integer number (69055001505).

Almost surely, 2^273401434433 is an apocalyptic number.

It is an amenable number.

273401434433 is a deficient number, since it is larger than the sum of its proper divisors (2818571587).

273401434433 is an equidigital number, since it uses as much as digits as its factorization.

273401434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818571586.

The product of its (nonzero) digits is 290304, while the sum is 38.

The spelling of 273401434433 in words is "two hundred seventy-three billion, four hundred one million, four hundred thirty-four thousand, four hundred thirty-three".