43090732969 has 2 divisors, whose sum is σ = 43090732970. Its totient is φ = 43090732968.

The previous prime is 43090732957. The next prime is 43090732973. The reversal of 43090732969 is 96923709034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37408588569 + 5682144400 = 193413^2 + 75380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43090732969 is a prime.

It is a super-2 number, since 2×43090732969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43090735969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545366484 + 21545366485.

It is an arithmetic number, because the mean of its divisors is an integer number (21545366485).

Almost surely, 2^43090732969 is an apocalyptic number.

It is an amenable number.

43090732969 is a deficient number, since it is larger than the sum of its proper divisors (1).

43090732969 is an equidigital number, since it uses as much as digits as its factorization.

43090732969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 43090732969 in words is "forty-three billion, ninety million, seven hundred thirty-two thousand, nine hundred sixty-nine".