29941952291 has 2 divisors, whose sum is σ = 29941952292. Its totient is φ = 29941952290.

The previous prime is 29941952269. The next prime is 29941952311. The reversal of 29941952291 is 19225914992.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29941952291 is a prime.

It is not a weakly prime, because it can be changed into another prime (29941952591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970976145 + 14970976146.

It is an arithmetic number, because the mean of its divisors is an integer number (14970976146).

Almost surely, 2^29941952291 is an apocalyptic number.

29941952291 is a deficient number, since it is larger than the sum of its proper divisors (1).

29941952291 is an equidigital number, since it uses as much as digits as its factorization.

29941952291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 53.

The spelling of 29941952291 in words is "twenty-nine billion, nine hundred forty-one million, nine hundred fifty-two thousand, two hundred ninety-one".