227849634791 has 4 divisors (see below), whose sum is σ = 227878092000. Its totient is φ = 227821177584.

The previous prime is 227849634721. The next prime is 227849634797. The reversal of 227849634791 is 197436948722.

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 227849634791 - 2¹⁴ = 227849618407 is a prime.

It is a super-2 number, since 2×227849634791² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227849634797) 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, 14216591 + ... + 14232608.

It is an arithmetic number, because the mean of its divisors is an integer number (56969523000).

Almost surely, 2^227849634791 is an apocalyptic number.

227849634791 is a deficient number, since it is larger than the sum of its proper divisors (28457209).

227849634791 is an equidigital number, since it uses as much as digits as its factorization.

227849634791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28457208.

The product of its digits is 36578304, while the sum is 62.

The spelling of 227849634791 in words is "two hundred twenty-seven billion, eight hundred forty-nine million, six hundred thirty-four thousand, seven hundred ninety-one".