29121245927 has 2 divisors, whose sum is σ = 29121245928. Its totient is φ = 29121245926.

The previous prime is 29121245891. The next prime is 29121245941. The reversal of 29121245927 is 72954212192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29121245927 - 2²⁴ = 29104468711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29121245947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560622963 + 14560622964.

It is an arithmetic number, because the mean of its divisors is an integer number (14560622964).

Almost surely, 2^29121245927 is an apocalyptic number.

29121245927 is a deficient number, since it is larger than the sum of its proper divisors (1).

29121245927 is an equidigital number, since it uses as much as digits as its factorization.

29121245927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 29121245927 in words is "twenty-nine billion, one hundred twenty-one million, two hundred forty-five thousand, nine hundred twenty-seven".