421262246671 has 16 divisors (see below), whose sum is σ = 485936402688. Its totient is φ = 357720854400.

The previous prime is 421262246659. The next prime is 421262246687. The reversal of 421262246671 is 176642262124.

It is not a de Polignac number, because 421262246671 - 2³⁵ = 386902508303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421262246651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156436 + ... + 931126.

It is an arithmetic number, because the mean of its divisors is an integer number (30371025168).

Almost surely, 2^421262246671 is an apocalyptic number.

421262246671 is a deficient number, since it is larger than the sum of its proper divisors (64674156017).

421262246671 is a wasteful number, since it uses less digits than its factorization.

421262246671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775422.

The product of its digits is 387072, while the sum is 43.

The spelling of 421262246671 in words is "four hundred twenty-one billion, two hundred sixty-two million, two hundred forty-six thousand, six hundred seventy-one".