29158512947 has 2 divisors, whose sum is σ = 29158512948. Its totient is φ = 29158512946.

The previous prime is 29158512941. The next prime is 29158512989. The reversal of 29158512947 is 74921585192.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29158512947 is a prime.

It is not a weakly prime, because it can be changed into another prime (29158512941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14579256473 + 14579256474.

It is an arithmetic number, because the mean of its divisors is an integer number (14579256474).

Almost surely, 2^29158512947 is an apocalyptic number.

29158512947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29158512947 is an equidigital number, since it uses as much as digits as its factorization.

29158512947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 53.

The spelling of 29158512947 in words is "twenty-nine billion, one hundred fifty-eight million, five hundred twelve thousand, nine hundred forty-seven".