420631260419 has 2 divisors, whose sum is σ = 420631260420. Its totient is φ = 420631260418.

The previous prime is 420631260403. The next prime is 420631260421. The reversal of 420631260419 is 914062136024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420631260419 - 2⁴ = 420631260403 is a prime.

It is a super-2 number, since 2×420631260419² (a number of 24 digits) contains 22 as substring.

Together with 420631260421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420631260499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210315630209 + 210315630210.

It is an arithmetic number, because the mean of its divisors is an integer number (210315630210).

Almost surely, 2^420631260419 is an apocalyptic number.

420631260419 is a deficient number, since it is larger than the sum of its proper divisors (1).

420631260419 is an equidigital number, since it uses as much as digits as its factorization.

420631260419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 420631260419 in words is "four hundred twenty billion, six hundred thirty-one million, two hundred sixty thousand, four hundred nineteen".