421554430270 has 16 divisors (see below), whose sum is σ = 791789191200. Its totient is φ = 161290390624.

The previous prime is 421554430207. The next prime is 421554430313. The reversal of 421554430270 is 72034455124.

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, 916422445 + ... + 916422904.

It is an arithmetic number, because the mean of its divisors is an integer number (49486824450).

Almost surely, 2^421554430270 is an apocalyptic number.

421554430270 is a deficient number, since it is larger than the sum of its proper divisors (370234760930).

421554430270 is a wasteful number, since it uses less digits than its factorization.

421554430270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832845379.

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 421554430270 its reverse (72034455124), we get a palindrome (493588885394).

The spelling of 421554430270 in words is "four hundred twenty-one billion, five hundred fifty-four million, four hundred thirty thousand, two hundred seventy".