421005464339 has 2 divisors, whose sum is σ = 421005464340. Its totient is φ = 421005464338.

The previous prime is 421005464239. The next prime is 421005464387. The reversal of 421005464339 is 933464500124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421005464339 - 2¹² = 421005460243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421005464296 and 421005464305.

It is not a weakly prime, because it can be changed into another prime (421005464239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210502732169 + 210502732170.

It is an arithmetic number, because the mean of its divisors is an integer number (210502732170).

Almost surely, 2^421005464339 is an apocalyptic number.

421005464339 is a deficient number, since it is larger than the sum of its proper divisors (1).

421005464339 is an equidigital number, since it uses as much as digits as its factorization.

421005464339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 421005464339 in words is "four hundred twenty-one billion, five million, four hundred sixty-four thousand, three hundred thirty-nine".