227147436149 has 2 divisors, whose sum is σ = 227147436150. Its totient is φ = 227147436148.

The previous prime is 227147436097. The next prime is 227147436169. The reversal of 227147436149 is 941634741722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173697232900 + 53450203249 = 416770^2 + 231193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227147436149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227147436097 and 227147436106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227147436169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113573718074 + 113573718075.

It is an arithmetic number, because the mean of its divisors is an integer number (113573718075).

Almost surely, 2^227147436149 is an apocalyptic number.

It is an amenable number.

227147436149 is a deficient number, since it is larger than the sum of its proper divisors (1).

227147436149 is an equidigital number, since it uses as much as digits as its factorization.

227147436149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The spelling of 227147436149 in words is "two hundred twenty-seven billion, one hundred forty-seven million, four hundred thirty-six thousand, one hundred forty-nine".