421401121414 has 32 divisors (see below), whose sum is σ = 793848283200. Its totient is φ = 166708132416.

The previous prime is 421401121399. The next prime is 421401121457. The reversal of 421401121414 is 414121104124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23617519 + ... + 23635354.

It is an arithmetic number, because the mean of its divisors is an integer number (24807758850).

Almost surely, 2^421401121414 is an apocalyptic number.

421401121414 is a deficient number, since it is larger than the sum of its proper divisors (372447161786).

421401121414 is a wasteful number, since it uses less digits than its factorization.

421401121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47252909 (or 47252895 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 421401121414 its reverse (414121104124), we get a palindrome (835522225538).

The spelling of 421401121414 in words is "four hundred twenty-one billion, four hundred one million, one hundred twenty-one thousand, four hundred fourteen".