421028612746 has 32 divisors (see below), whose sum is σ = 725560146432. Its totient is φ = 179492987760.

The previous prime is 421028612689. The next prime is 421028612747. The reversal of 421028612746 is 647216820124.

It is not an unprimeable number, because it can be changed into a prime (421028612747) 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, 3716481 + ... + 3828091.

It is an arithmetic number, because the mean of its divisors is an integer number (22673754576).

Almost surely, 2^421028612746 is an apocalyptic number.

421028612746 is a deficient number, since it is larger than the sum of its proper divisors (304531533686).

421028612746 is a wasteful number, since it uses less digits than its factorization.

421028612746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113034.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 421028612746 in words is "four hundred twenty-one billion, twenty-eight million, six hundred twelve thousand, seven hundred forty-six".