421048783 has 2 divisors, whose sum is σ = 421048784. Its totient is φ = 421048782.

The previous prime is 421048781. The next prime is 421048807. The reversal of 421048783 is 387840124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421048783 - 2¹ = 421048781 is a prime.

Together with 421048781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421048781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210524391 + 210524392.

It is an arithmetic number, because the mean of its divisors is an integer number (210524392).

Almost surely, 2^421048783 is an apocalyptic number.

421048783 is a deficient number, since it is larger than the sum of its proper divisors (1).

421048783 is an equidigital number, since it uses as much as digits as its factorization.

421048783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 421048783 is about 20519.4732632200. The cubic root of 421048783 is about 749.5100699537.

The spelling of 421048783 in words is "four hundred twenty-one million, forty-eight thousand, seven hundred eighty-three".