421383455249 has 4 divisors (see below), whose sum is σ = 421609885620. Its totient is φ = 421157024880.

The previous prime is 421383455237. The next prime is 421383455279. The reversal of 421383455249 is 942554383124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177214057024 + 244169398225 = 420968^2 + 494135^2 .

It is a cyclic number.

It is not a de Polignac number, because 421383455249 - 2⁸ = 421383454993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421383455197 and 421383455206.

It is not an unprimeable number, because it can be changed into a prime (421383455279) 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, 113212394 + ... + 113216115.

It is an arithmetic number, because the mean of its divisors is an integer number (105402471405).

Almost surely, 2^421383455249 is an apocalyptic number.

It is an amenable number.

421383455249 is a deficient number, since it is larger than the sum of its proper divisors (226430371).

421383455249 is a wasteful number, since it uses less digits than its factorization.

421383455249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226430370.

The product of its digits is 4147200, while the sum is 50.

The spelling of 421383455249 in words is "four hundred twenty-one billion, three hundred eighty-three million, four hundred fifty-five thousand, two hundred forty-nine".