43342969 has 2 divisors, whose sum is σ = 43342970. Its totient is φ = 43342968.

The previous prime is 43342967. The next prime is 43342997. The reversal of 43342969 is 96924334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 1352569 = 6480^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 43342969 - 2¹ = 43342967 is a prime.

It is a super-2 number, since 2×43342969² = 3757225923469922, which contains 22 as substring.

Together with 43342967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43342967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671484 + 21671485.

It is an arithmetic number, because the mean of its divisors is an integer number (21671485).

Almost surely, 2^43342969 is an apocalyptic number.

It is an amenable number.

43342969 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342969 is an equidigital number, since it uses as much as digits as its factorization.

43342969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 43342969 is about 6583.5377267849. The cubic root of 43342969 is about 351.2687800397.

The spelling of 43342969 in words is "forty-three million, three hundred forty-two thousand, nine hundred sixty-nine".