421252543033 has 8 divisors (see below), whose sum is σ = 481441778240. Its totient is φ = 361065882960.

The previous prime is 421252543003. The next prime is 421252543037. The reversal of 421252543033 is 330345252124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421252543033 - 2¹⁷ = 421252411961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421252543033.

It is not an unprimeable number, because it can be changed into a prime (421252543037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279498 + ... + 959491.

It is an arithmetic number, because the mean of its divisors is an integer number (60180222280).

Almost surely, 2^421252543033 is an apocalyptic number.

It is an amenable number.

421252543033 is a deficient number, since it is larger than the sum of its proper divisors (60189235207).

421252543033 is a wasteful number, since it uses less digits than its factorization.

421252543033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287567.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 421252543033 its reverse (330345252124), we get a palindrome (751597795157).

The spelling of 421252543033 in words is "four hundred twenty-one billion, two hundred fifty-two million, five hundred forty-three thousand, thirty-three".