421280702625 has 64 divisors (see below), whose sum is σ = 706713606144. Its totient is φ = 222858086400.

The previous prime is 421280702611. The next prime is 421280702629. The reversal of 421280702625 is 526207082124.

It is not a de Polignac number, because 421280702625 - 2⁵ = 421280702593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421280702629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80502009 + ... + 80507241.

It is an arithmetic number, because the mean of its divisors is an integer number (11042400096).

Almost surely, 2^421280702625 is an apocalyptic number.

It is an amenable number.

421280702625 is a deficient number, since it is larger than the sum of its proper divisors (285432903519).

421280702625 is a wasteful number, since it uses less digits than its factorization.

421280702625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955 (or 6945 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

Adding to 421280702625 its reverse (526207082124), we get a palindrome (947487784749).

The spelling of 421280702625 in words is "four hundred twenty-one billion, two hundred eighty million, seven hundred two thousand, six hundred twenty-five".