43272026249 has 2 divisors, whose sum is σ = 43272026250. Its totient is φ = 43272026248.

The previous prime is 43272026243. The next prime is 43272026257. The reversal of 43272026249 is 94262027234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43255680400 + 16345849 = 207980^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 43272026249 - 2⁴ = 43272026233 is a prime.

It is not a weakly prime, because it can be changed into another prime (43272026243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21636013124 + 21636013125.

It is an arithmetic number, because the mean of its divisors is an integer number (21636013125).

Almost surely, 2^43272026249 is an apocalyptic number.

It is an amenable number.

43272026249 is a deficient number, since it is larger than the sum of its proper divisors (1).

43272026249 is an equidigital number, since it uses as much as digits as its factorization.

43272026249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 43272026249 in words is "forty-three billion, two hundred seventy-two million, twenty-six thousand, two hundred forty-nine".