43198298149 has 2 divisors, whose sum is σ = 43198298150. Its totient is φ = 43198298148.

The previous prime is 43198298119. The next prime is 43198298167. The reversal of 43198298149 is 94189289134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43060400100 + 137898049 = 207510^2 + 11743^2 .

It is a cyclic number.

It is not a de Polignac number, because 43198298149 - 2¹³ = 43198289957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43198298093 and 43198298102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43198298119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21599149074 + 21599149075.

It is an arithmetic number, because the mean of its divisors is an integer number (21599149075).

Almost surely, 2^43198298149 is an apocalyptic number.

It is an amenable number.

43198298149 is a deficient number, since it is larger than the sum of its proper divisors (1).

43198298149 is an equidigital number, since it uses as much as digits as its factorization.

43198298149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 58.

The spelling of 43198298149 in words is "forty-three billion, one hundred ninety-eight million, two hundred ninety-eight thousand, one hundred forty-nine".