434000401421 has 4 divisors (see below), whose sum is σ = 437841113052. Its totient is φ = 430159689792.

The previous prime is 434000401369. The next prime is 434000401441. The reversal of 434000401421 is 124104000434.

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 231828768196 + 202171633225 = 481486^2 + 449635^2 .

It is a cyclic number.

It is not a de Polignac number, because 434000401421 - 2³⁴ = 416820532237 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 (434000401441) 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, 1920355646 + ... + 1920355871.

It is an arithmetic number, because the mean of its divisors is an integer number (109460278263).

Almost surely, 2^434000401421 is an apocalyptic number.

It is an amenable number.

434000401421 is a deficient number, since it is larger than the sum of its proper divisors (3840711631).

434000401421 is a wasteful number, since it uses less digits than its factorization.

434000401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840711630.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 434000401421 its reverse (124104000434), we get a palindrome (558104401855).

The spelling of 434000401421 in words is "four hundred thirty-four billion, four hundred one thousand, four hundred twenty-one".