29948381227 has 2 divisors, whose sum is σ = 29948381228. Its totient is φ = 29948381226.

The previous prime is 29948381173. The next prime is 29948381231. The reversal of 29948381227 is 72218384992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29948381227 is a prime.

It is not a weakly prime, because it can be changed into another prime (29948381237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14974190613 + 14974190614.

It is an arithmetic number, because the mean of its divisors is an integer number (14974190614).

Almost surely, 2^29948381227 is an apocalyptic number.

29948381227 is a deficient number, since it is larger than the sum of its proper divisors (1).

29948381227 is an equidigital number, since it uses as much as digits as its factorization.

29948381227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The spelling of 29948381227 in words is "twenty-nine billion, nine hundred forty-eight million, three hundred eighty-one thousand, two hundred twenty-seven".