29135054591947 has 2 divisors, whose sum is σ = 29135054591948. Its totient is φ = 29135054591946.

The previous prime is 29135054591911. The next prime is 29135054592001. The reversal of 29135054591947 is 74919545053192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29135054591947 - 2²³ = 29135046203339 is a prime.

It is not a weakly prime, because it can be changed into another prime (29135054592947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14567527295973 + 14567527295974.

It is an arithmetic number, because the mean of its divisors is an integer number (14567527295974).

Almost surely, 2^{29135054591947} is an apocalyptic number.

29135054591947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29135054591947 is an equidigital number, since it uses as much as digits as its factorization.

29135054591947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236000, while the sum is 64.

The spelling of 29135054591947 in words is "twenty-nine trillion, one hundred thirty-five billion, fifty-four million, five hundred ninety-one thousand, nine hundred forty-seven".