421345277386 has 16 divisors (see below), whose sum is σ = 689949314208. Its totient is φ = 191388574000.

The previous prime is 421345277377. The next prime is 421345277399. The reversal of 421345277386 is 683772543124.

It is a super-3 number, since 3×421345277386³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6567685 + ... + 6631528.

It is an arithmetic number, because the mean of its divisors is an integer number (43121832138).

Almost surely, 2^421345277386 is an apocalyptic number.

421345277386 is a deficient number, since it is larger than the sum of its proper divisors (268604036822).

421345277386 is a wasteful number, since it uses less digits than its factorization.

421345277386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200677.

The product of its digits is 6773760, while the sum is 52.

The spelling of 421345277386 in words is "four hundred twenty-one billion, three hundred forty-five million, two hundred seventy-seven thousand, three hundred eighty-six".