402133000421 has 4 divisors (see below), whose sum is σ = 423297895200. Its totient is φ = 380968105644.

The previous prime is 402133000417. The next prime is 402133000429. The reversal of 402133000421 is 124000331204.

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 402133000421 - 2² = 402133000417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402133000393 and 402133000402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402133000429) 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, 10582447361 + ... + 10582447398.

It is an arithmetic number, because the mean of its divisors is an integer number (105824473800).

Almost surely, 2^402133000421 is an apocalyptic number.

It is an amenable number.

402133000421 is a deficient number, since it is larger than the sum of its proper divisors (21164894779).

402133000421 is a wasteful number, since it uses less digits than its factorization.

402133000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21164894778.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 402133000421 its reverse (124000331204), we get a palindrome (526133331625).

The spelling of 402133000421 in words is "four hundred two billion, one hundred thirty-three million, four hundred twenty-one", and thus it is an aban number.