434040420313 has 4 divisors (see below), whose sum is σ = 434044816128. Its totient is φ = 434036024500.

The previous prime is 434040420269. The next prime is 434040420323. The reversal of 434040420313 is 313024040434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 434040420313 - 2²⁵ = 434006865881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434040420323) 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, 2046313 + ... + 2248438.

It is an arithmetic number, because the mean of its divisors is an integer number (108511204032).

Almost surely, 2^434040420313 is an apocalyptic number.

It is an amenable number.

434040420313 is a deficient number, since it is larger than the sum of its proper divisors (4395815).

434040420313 is a wasteful number, since it uses less digits than its factorization.

434040420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395814.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 434040420313 its reverse (313024040434), we get a palindrome (747064460747).

The spelling of 434040420313 in words is "four hundred thirty-four billion, forty million, four hundred twenty thousand, three hundred thirteen".