29897546243 has 2 divisors, whose sum is σ = 29897546244. Its totient is φ = 29897546242.

The previous prime is 29897546233. The next prime is 29897546269. The reversal of 29897546243 is 34264579892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29897546243 - 2²⁰ = 29896497667 is a prime.

It is not a weakly prime, because it can be changed into another prime (29897546233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14948773121 + 14948773122.

It is an arithmetic number, because the mean of its divisors is an integer number (14948773122).

Almost surely, 2^29897546243 is an apocalyptic number.

29897546243 is a deficient number, since it is larger than the sum of its proper divisors (1).

29897546243 is an equidigital number, since it uses as much as digits as its factorization.

29897546243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 59.

The spelling of 29897546243 in words is "twenty-nine billion, eight hundred ninety-seven million, five hundred forty-six thousand, two hundred forty-three".