3431854805 has 4 divisors (see below), whose sum is σ = 4118225772. Its totient is φ = 2745483840.

The previous prime is 3431854799. The next prime is 3431854807. The reversal of 3431854805 is 5084581343.

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 1426875076 + 2004979729 = 37774^2 + 44777^2 .

It is not a de Polignac number, because 3431854805 - 2¹⁰ = 3431853781 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 (3431854807) 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, 343185476 + ... + 343185485.

It is an arithmetic number, because the mean of its divisors is an integer number (1029556443).

Almost surely, 2^3431854805 is an apocalyptic number.

It is an amenable number.

3431854805 is a deficient number, since it is larger than the sum of its proper divisors (686370967).

3431854805 is an equidigital number, since it uses as much as digits as its factorization.

3431854805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686370966.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 3431854805 is about 58582.0348315079. The cubic root of 3431854805 is about 1508.3760745971.

The spelling of 3431854805 in words is "three billion, four hundred thirty-one million, eight hundred fifty-four thousand, eight hundred five".