214855143935999 has 4 divisors (see below), whose sum is σ = 245548735926864. Its totient is φ = 184161551945136.

The previous prime is 214855143935933. The next prime is 214855143936029. The reversal of 214855143935999 is 999539341558412.

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-214855143935999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214855143931999) 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, 15346795995422 + ... + 15346795995435.

It is an arithmetic number, because the mean of its divisors is an integer number (61387183981716).

Almost surely, 2^{214855143935999} is an apocalyptic number.

214855143935999 is a deficient number, since it is larger than the sum of its proper divisors (30693591990865).

214855143935999 is an equidigital number, since it uses as much as digits as its factorization.

214855143935999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30693591990864.

The product of its digits is 1889568000, while the sum is 77.

The spelling of 214855143935999 in words is "two hundred fourteen trillion, eight hundred fifty-five billion, one hundred forty-three million, nine hundred thirty-five thousand, nine hundred ninety-nine".