29040043 has 2 divisors, whose sum is σ = 29040044. Its totient is φ = 29040042.

The previous prime is 29040023. The next prime is 29040047. The reversal of 29040043 is 34004092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29040043 - 2¹³ = 29031851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29039996 and 29040023.

It is not a weakly prime, because it can be changed into another prime (29040047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14520021 + 14520022.

It is an arithmetic number, because the mean of its divisors is an integer number (14520022).

Almost surely, 2^29040043 is an apocalyptic number.

29040043 is a deficient number, since it is larger than the sum of its proper divisors (1).

29040043 is an equidigital number, since it uses as much as digits as its factorization.

29040043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 29040043 is about 5388.8814238207. The cubic root of 29040043 is about 307.3730253296.

The spelling of 29040043 in words is "twenty-nine million, forty thousand, forty-three".