214403253551 has 4 divisors (see below), whose sum is σ = 214467086400. Its totient is φ = 214339420704.

The previous prime is 214403253541. The next prime is 214403253553. The reversal of 214403253551 is 155352304412.

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 214403253551 - 2⁶ = 214403253487 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 (214403253553) 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, 31911386 + ... + 31918103.

It is an arithmetic number, because the mean of its divisors is an integer number (53616771600).

Almost surely, 2^214403253551 is an apocalyptic number.

214403253551 is a deficient number, since it is larger than the sum of its proper divisors (63832849).

214403253551 is an equidigital number, since it uses as much as digits as its factorization.

214403253551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63832848.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 214403253551 its reverse (155352304412), we get a palindrome (369755557963).

The spelling of 214403253551 in words is "two hundred fourteen billion, four hundred three million, two hundred fifty-three thousand, five hundred fifty-one".