226531612739 has 2 divisors, whose sum is σ = 226531612740. Its totient is φ = 226531612738.

The previous prime is 226531612693. The next prime is 226531612771. The reversal of 226531612739 is 937216135622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226531612739 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 226531612693 and 226531612702.

It is not a weakly prime, because it can be changed into another prime (226531612639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113265806369 + 113265806370.

It is an arithmetic number, because the mean of its divisors is an integer number (113265806370).

Almost surely, 2^226531612739 is an apocalyptic number.

226531612739 is a deficient number, since it is larger than the sum of its proper divisors (1).

226531612739 is an equidigital number, since it uses as much as digits as its factorization.

226531612739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The spelling of 226531612739 in words is "two hundred twenty-six billion, five hundred thirty-one million, six hundred twelve thousand, seven hundred thirty-nine".