29885419931 has 2 divisors, whose sum is σ = 29885419932. Its totient is φ = 29885419930.

The previous prime is 29885419873. The next prime is 29885419933. The reversal of 29885419931 is 13991458892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29885419931 - 2¹⁰ = 29885418907 is a prime.

It is a super-2 number, since 2×29885419931² (a number of 22 digits) contains 22 as substring.

Together with 29885419933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29885419933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14942709965 + 14942709966.

It is an arithmetic number, because the mean of its divisors is an integer number (14942709966).

Almost surely, 2^29885419931 is an apocalyptic number.

29885419931 is a deficient number, since it is larger than the sum of its proper divisors (1).

29885419931 is an equidigital number, since it uses as much as digits as its factorization.

29885419931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 59.

The spelling of 29885419931 in words is "twenty-nine billion, eight hundred eighty-five million, four hundred nineteen thousand, nine hundred thirty-one".