420133456433 has 4 divisors (see below), whose sum is σ = 433686148608. Its totient is φ = 406580764260.

The previous prime is 420133456429. The next prime is 420133456451. The reversal of 420133456433 is 334654331024.

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 420133456433 - 2² = 420133456429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420133456453) 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, 6776346041 + ... + 6776346102.

It is an arithmetic number, because the mean of its divisors is an integer number (108421537152).

Almost surely, 2^420133456433 is an apocalyptic number.

It is an amenable number.

420133456433 is a deficient number, since it is larger than the sum of its proper divisors (13552692175).

420133456433 is a wasteful number, since it uses less digits than its factorization.

420133456433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13552692174.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 420133456433 its reverse (334654331024), we get a palindrome (754787787457).

The spelling of 420133456433 in words is "four hundred twenty billion, one hundred thirty-three million, four hundred fifty-six thousand, four hundred thirty-three".