29142493 has 2 divisors, whose sum is σ = 29142494. Its totient is φ = 29142492.

The previous prime is 29142481. The next prime is 29142499. The reversal of 29142493 is 39424192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29127609 + 14884 = 5397^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 29142493 - 2⁵ = 29142461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29142499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571246 + 14571247.

It is an arithmetic number, because the mean of its divisors is an integer number (14571247).

Almost surely, 2^29142493 is an apocalyptic number.

It is an amenable number.

29142493 is a deficient number, since it is larger than the sum of its proper divisors (1).

29142493 is an equidigital number, since it uses as much as digits as its factorization.

29142493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 29142493 is about 5398.3787381028. The cubic root of 29142493 is about 307.7340602331.

The spelling of 29142493 in words is "twenty-nine million, one hundred forty-two thousand, four hundred ninety-three".