420040034459 has 2 divisors, whose sum is σ = 420040034460. Its totient is φ = 420040034458.

The previous prime is 420040034443. The next prime is 420040034471. The reversal of 420040034459 is 954430040024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420040034459 - 2⁴ = 420040034443 is a prime.

It is not a weakly prime, because it can be changed into another prime (420040031459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210020017229 + 210020017230.

It is an arithmetic number, because the mean of its divisors is an integer number (210020017230).

Almost surely, 2^420040034459 is an apocalyptic number.

420040034459 is a deficient number, since it is larger than the sum of its proper divisors (1).

420040034459 is an equidigital number, since it uses as much as digits as its factorization.

420040034459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 420040034459 in words is "four hundred twenty billion, forty million, thirty-four thousand, four hundred fifty-nine".