43725249030329 has 2 divisors, whose sum is σ = 43725249030330. Its totient is φ = 43725249030328.

The previous prime is 43725249030259. The next prime is 43725249030557. The reversal of 43725249030329 is 92303094252734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31632750490000 + 12092498540329 = 5624300^2 + 3477427^2 .

It is a cyclic number.

It is not a de Polignac number, because 43725249030329 - 2¹² = 43725249026233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43722249030329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21862624515164 + 21862624515165.

It is an arithmetic number, because the mean of its divisors is an integer number (21862624515165).

Almost surely, 2^{43725249030329} is an apocalyptic number.

It is an amenable number.

43725249030329 is a deficient number, since it is larger than the sum of its proper divisors (1).

43725249030329 is an equidigital number, since it uses as much as digits as its factorization.

43725249030329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 43725249030329 in words is "forty-three trillion, seven hundred twenty-five billion, two hundred forty-nine million, thirty thousand, three hundred twenty-nine".