29971227379 has 2 divisors, whose sum is σ = 29971227380. Its totient is φ = 29971227378.

The previous prime is 29971227359. The next prime is 29971227479. The reversal of 29971227379 is 97372217992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29971227379 - 2²¹ = 29969130227 is a prime.

It is not a weakly prime, because it can be changed into another prime (29971227329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14985613689 + 14985613690.

It is an arithmetic number, because the mean of its divisors is an integer number (14985613690).

Almost surely, 2^29971227379 is an apocalyptic number.

29971227379 is a deficient number, since it is larger than the sum of its proper divisors (1).

29971227379 is an equidigital number, since it uses as much as digits as its factorization.

29971227379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6001128, while the sum is 58.

The spelling of 29971227379 in words is "twenty-nine billion, nine hundred seventy-one million, two hundred twenty-seven thousand, three hundred seventy-nine".