421314014431 has 4 divisors (see below), whose sum is σ = 429263335512. Its totient is φ = 413364693352.

The previous prime is 421314014417. The next prime is 421314014453. The reversal of 421314014431 is 134410413124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421314014431 - 2¹⁵ = 421313981663 is a prime.

It is a super-2 number, since 2×421314014431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421314014431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421314024431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3974660461 + ... + 3974660566.

It is an arithmetic number, because the mean of its divisors is an integer number (107315833878).

Almost surely, 2^421314014431 is an apocalyptic number.

421314014431 is a deficient number, since it is larger than the sum of its proper divisors (7949321081).

421314014431 is an equidigital number, since it uses as much as digits as its factorization.

421314014431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949321080.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 421314014431 its reverse (134410413124), we get a palindrome (555724427555).

The spelling of 421314014431 in words is "four hundred twenty-one billion, three hundred fourteen million, fourteen thousand, four hundred thirty-one".