214043645001 has 4 divisors (see below), whose sum is σ = 285391526672. Its totient is φ = 142695763332.

The previous prime is 214043644973. The next prime is 214043645003. The reversal of 214043645001 is 100546340412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 214043645001 - 2²² = 214039450697 is a prime.

It is a super-2 number, since 2×214043645001² (a number of 23 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 214043645001.

It is not an unprimeable number, because it can be changed into a prime (214043645003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35673940831 + ... + 35673940836.

It is an arithmetic number, because the mean of its divisors is an integer number (71347881668).

Almost surely, 2^214043645001 is an apocalyptic number.

It is an amenable number.

214043645001 is a deficient number, since it is larger than the sum of its proper divisors (71347881671).

214043645001 is an equidigital number, since it uses as much as digits as its factorization.

214043645001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71347881670.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 214043645001 its reverse (100546340412), we get a palindrome (314589985413).

The spelling of 214043645001 in words is "two hundred fourteen billion, forty-three million, six hundred forty-five thousand, one".