29044681 has 2 divisors, whose sum is σ = 29044682. Its totient is φ = 29044680.

The previous prime is 29044669. The next prime is 29044709. The reversal of 29044681 is 18644092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 518400 = 5341^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 29044681 - 2¹³ = 29036489 is a prime.

It is a super-2 number, since 2×29044681² = 1687186988783522, which contains 22 as substring.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (29044781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14522340 + 14522341.

It is an arithmetic number, because the mean of its divisors is an integer number (14522341).

Almost surely, 2^29044681 is an apocalyptic number.

29044681 is the 3409-th centered pentagonal number.

It is an amenable number.

29044681 is a deficient number, since it is larger than the sum of its proper divisors (1).

29044681 is an equidigital number, since it uses as much as digits as its factorization.

29044681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 29044681 is about 5389.3117371330. The cubic root of 29044681 is about 307.3893880258.

The spelling of 29044681 in words is "twenty-nine million, forty-four thousand, six hundred eighty-one".