421846872742 has 16 divisors (see below), whose sum is σ = 670021835472. Its totient is φ = 198507362560.

The previous prime is 421846872697. The next prime is 421846872743. The reversal of 421846872742 is 247278648124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421846872743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536418 + ... + 1063690.

It is an arithmetic number, because the mean of its divisors is an integer number (41876364717).

Almost surely, 2^421846872742 is an apocalyptic number.

421846872742 is a deficient number, since it is larger than the sum of its proper divisors (248174962730).

421846872742 is a wasteful number, since it uses less digits than its factorization.

421846872742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550823.

The product of its digits is 9633792, while the sum is 55.

The spelling of 421846872742 in words is "four hundred twenty-one billion, eight hundred forty-six million, eight hundred seventy-two thousand, seven hundred forty-two".