29870086423 has 2 divisors, whose sum is σ = 29870086424. Its totient is φ = 29870086422.

The previous prime is 29870086387. The next prime is 29870086427. The reversal of 29870086423 is 32468007892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29870086423 - 2⁹ = 29870085911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29870086427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14935043211 + 14935043212.

It is an arithmetic number, because the mean of its divisors is an integer number (14935043212).

Almost surely, 2^29870086423 is an apocalyptic number.

29870086423 is a deficient number, since it is larger than the sum of its proper divisors (1).

29870086423 is an equidigital number, since it uses as much as digits as its factorization.

29870086423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 29870086423 in words is "twenty-nine billion, eight hundred seventy million, eighty-six thousand, four hundred twenty-three".