226887693839 has 2 divisors, whose sum is σ = 226887693840. Its totient is φ = 226887693838.

The previous prime is 226887693803. The next prime is 226887693881. The reversal of 226887693839 is 938396788622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226887693839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226887696839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113443846919 + 113443846920.

It is an arithmetic number, because the mean of its divisors is an integer number (113443846920).

Almost surely, 2^226887693839 is an apocalyptic number.

226887693839 is a deficient number, since it is larger than the sum of its proper divisors (1).

226887693839 is an equidigital number, since it uses as much as digits as its factorization.

226887693839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376233984, while the sum is 71.

The spelling of 226887693839 in words is "two hundred twenty-six billion, eight hundred eighty-seven million, six hundred ninety-three thousand, eight hundred thirty-nine".