214461521051 has 4 divisors (see below), whose sum is σ = 214612233312. Its totient is φ = 214310808792.

The previous prime is 214461521017. The next prime is 214461521069. The reversal of 214461521051 is 150125164412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214461521051 is a prime.

It is a super-3 number, since 3×214461521051³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214461520999 and 214461521017.

It is not an unprimeable number, because it can be changed into a prime (214461521551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75353996 + ... + 75356841.

It is an arithmetic number, because the mean of its divisors is an integer number (53653058328).

Almost surely, 2^214461521051 is an apocalyptic number.

214461521051 is a deficient number, since it is larger than the sum of its proper divisors (150712261).

214461521051 is a wasteful number, since it uses less digits than its factorization.

214461521051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150712260.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 214461521051 its reverse (150125164412), we get a palindrome (364586685463).

The spelling of 214461521051 in words is "two hundred fourteen billion, four hundred sixty-one million, five hundred twenty-one thousand, fifty-one".