29143949 has 2 divisors, whose sum is σ = 29143950. Its totient is φ = 29143948.

The previous prime is 29143913. The next prime is 29143951. The reversal of 29143949 is 94934192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26081449 + 3062500 = 5107^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29143949 is a prime.

Together with 29143951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29143349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571974 + 14571975.

It is an arithmetic number, because the mean of its divisors is an integer number (14571975).

Almost surely, 2^29143949 is an apocalyptic number.

It is an amenable number.

29143949 is a deficient number, since it is larger than the sum of its proper divisors (1).

29143949 is an equidigital number, since it uses as much as digits as its factorization.

29143949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 29143949 is about 5398.5135917213. The cubic root of 29143949 is about 307.7391850902.

The spelling of 29143949 in words is "twenty-nine million, one hundred forty-three thousand, nine hundred forty-nine".