421754504007 has 16 divisors (see below), whose sum is σ = 603574541280. Its totient is φ = 261005202432.

The previous prime is 421754503913. The next prime is 421754504021. The reversal of 421754504007 is 700405457124.

It is a de Polignac number, because none of the positive numbers 2^k-421754504007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421754504057) 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, 56638032 + ... + 56645477.

It is an arithmetic number, because the mean of its divisors is an integer number (37723408830).

Almost surely, 2^421754504007 is an apocalyptic number.

421754504007 is a deficient number, since it is larger than the sum of its proper divisors (181820037273).

421754504007 is a wasteful number, since it uses less digits than its factorization.

421754504007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113283602.

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 421754504007 in words is "four hundred twenty-one billion, seven hundred fifty-four million, five hundred four thousand, seven".