14010021005 has 4 divisors (see below), whose sum is σ = 16812025212. Its totient is φ = 11208016800.

The previous prime is 14010020951. The next prime is 14010021019. The reversal of 14010021005 is 50012001041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8440831876 + 5569189129 = 91874^2 + 74627^2 .

It is not a de Polignac number, because 14010021005 - 2¹⁰ = 14010019981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401002096 + ... + 1401002105.

It is an arithmetic number, because the mean of its divisors is an integer number (4203006303).

Almost surely, 2^14010021005 is an apocalyptic number.

It is an amenable number.

14010021005 is a deficient number, since it is larger than the sum of its proper divisors (2802004207).

14010021005 is an equidigital number, since it uses as much as digits as its factorization.

14010021005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802004206.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 14010021005 its reverse (50012001041), we get a palindrome (64022022046).

The spelling of 14010021005 in words is "fourteen billion, ten million, twenty-one thousand, five".