421726162712 has 32 divisors (see below), whose sum is σ = 839495210400. Its totient is φ = 197927284224.

The previous prime is 421726162681. The next prime is 421726162727. The reversal of 421726162712 is 217261627124.

It is a self number, because there is not a number n which added to its sum of digits gives 421726162712.

It is a congruent number.

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, 4106012 + ... + 4207467.

It is an arithmetic number, because the mean of its divisors is an integer number (26234225325).

Almost surely, 2^421726162712 is an apocalyptic number.

It is an amenable number.

421726162712 is a deficient number, since it is larger than the sum of its proper divisors (417769047688).

421726162712 is a wasteful number, since it uses less digits than its factorization.

421726162712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313875 (or 8313871 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

Adding to 421726162712 its reverse (217261627124), we get a palindrome (638987789836).

The spelling of 421726162712 in words is "four hundred twenty-one billion, seven hundred twenty-six million, one hundred sixty-two thousand, seven hundred twelve".