421433514259 has 2 divisors, whose sum is σ = 421433514260. Its totient is φ = 421433514258.

The previous prime is 421433514253. The next prime is 421433514311. The reversal of 421433514259 is 952415334124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421433514259 is a prime.

It is not a weakly prime, because it can be changed into another prime (421433514253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210716757129 + 210716757130.

It is an arithmetic number, because the mean of its divisors is an integer number (210716757130).

Almost surely, 2^421433514259 is an apocalyptic number.

421433514259 is a deficient number, since it is larger than the sum of its proper divisors (1).

421433514259 is an equidigital number, since it uses as much as digits as its factorization.

421433514259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The spelling of 421433514259 in words is "four hundred twenty-one billion, four hundred thirty-three million, five hundred fourteen thousand, two hundred fifty-nine".