29444640749 has 2 divisors, whose sum is σ = 29444640750. Its totient is φ = 29444640748.

The previous prime is 29444640703. The next prime is 29444640787. The reversal of 29444640749 is 94704644492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15082296100 + 14362344649 = 122810^2 + 119843^2 .

It is a cyclic number.

It is not a de Polignac number, because 29444640749 - 2¹⁶ = 29444575213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29444640749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29444340749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14722320374 + 14722320375.

It is an arithmetic number, because the mean of its divisors is an integer number (14722320375).

Almost surely, 2^29444640749 is an apocalyptic number.

It is an amenable number.

29444640749 is a deficient number, since it is larger than the sum of its proper divisors (1).

29444640749 is an equidigital number, since it uses as much as digits as its factorization.

29444640749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 29444640749 in words is "twenty-nine billion, four hundred forty-four million, six hundred forty thousand, seven hundred forty-nine".