3421420433 has 4 divisors (see below), whose sum is σ = 3422351088. Its totient is φ = 3420489780.

The previous prime is 3421420427. The next prime is 3421420447. The reversal of 3421420433 is 3340241243.

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 3421420433 - 2⁴ = 3421420417 is a prime.

It is a super-2 number, since 2×3421420433² = 23412235558699814978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421420463) 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, 459791 + ... + 467172.

It is an arithmetic number, because the mean of its divisors is an integer number (855587772).

Almost surely, 2^3421420433 is an apocalyptic number.

It is an amenable number.

3421420433 is a deficient number, since it is larger than the sum of its proper divisors (930655).

3421420433 is an equidigital number, since it uses as much as digits as its factorization.

3421420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930654.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3421420433 is about 58492.9092540284. The cubic root of 3421420433 is about 1506.8458102429.

Adding to 3421420433 its reverse (3340241243), we get a palindrome (6761661676).

The spelling of 3421420433 in words is "three billion, four hundred twenty-one million, four hundred twenty thousand, four hundred thirty-three".