43084148749 has 2 divisors, whose sum is σ = 43084148750. Its totient is φ = 43084148748.

The previous prime is 43084148741. The next prime is 43084148773. The reversal of 43084148749 is 94784148034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37217354724 + 5866794025 = 192918^2 + 76595^2 .

It is a cyclic number.

It is not a de Polignac number, because 43084148749 - 2³ = 43084148741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43084148696 and 43084148705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43084148741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21542074374 + 21542074375.

It is an arithmetic number, because the mean of its divisors is an integer number (21542074375).

Almost surely, 2^43084148749 is an apocalyptic number.

It is an amenable number.

43084148749 is a deficient number, since it is larger than the sum of its proper divisors (1).

43084148749 is an equidigital number, since it uses as much as digits as its factorization.

43084148749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 43084148749 in words is "forty-three billion, eighty-four million, one hundred forty-eight thousand, seven hundred forty-nine".