1000434041421 has 4 divisors (see below), whose sum is σ = 1333912055232. Its totient is φ = 666956027612.

The previous prime is 1000434041401. The next prime is 1000434041429. The reversal of 1000434041421 is 1241404340001.

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 1000434041421 - 2³⁴ = 983254172237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000434041391 and 1000434041400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000434041429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166739006901 + ... + 166739006906.

It is an arithmetic number, because the mean of its divisors is an integer number (333478013808).

Almost surely, 2^{1000434041421} is an apocalyptic number.

It is an amenable number.

1000434041421 is a deficient number, since it is larger than the sum of its proper divisors (333478013811).

1000434041421 is an equidigital number, since it uses as much as digits as its factorization.

1000434041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333478013810.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1000434041421 its reverse (1241404340001), we get a palindrome (2241838381422).

The spelling of 1000434041421 in words is "one trillion, four hundred thirty-four million, forty-one thousand, four hundred twenty-one".