421334968467 has 16 divisors (see below), whose sum is σ = 642290823680. Its totient is φ = 240666619392.

The previous prime is 421334968463. The next prime is 421334968471. The reversal of 421334968467 is 764869433124.

It is an interprime number because it is at equal distance from previous prime (421334968463) and next prime (421334968471).

It is not a de Polignac number, because 421334968467 - 2² = 421334968463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421334968463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955342 + ... + 4060467.

It is an arithmetic number, because the mean of its divisors is an integer number (40143176480).

Almost surely, 2^421334968467 is an apocalyptic number.

421334968467 is a deficient number, since it is larger than the sum of its proper divisors (220955855213).

421334968467 is a wasteful number, since it uses less digits than its factorization.

421334968467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018322.

The product of its digits is 20901888, while the sum is 57.

The spelling of 421334968467 in words is "four hundred twenty-one billion, three hundred thirty-four million, nine hundred sixty-eight thousand, four hundred sixty-seven".