29889898937 has 2 divisors, whose sum is σ = 29889898938. Its totient is φ = 29889898936.

The previous prime is 29889898867. The next prime is 29889898939. The reversal of 29889898937 is 73989898892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25688396176 + 4201502761 = 160276^2 + 64819^2 .

It is a cyclic number.

It is not a de Polignac number, because 29889898937 - 2¹⁶ = 29889833401 is a prime.

Together with 29889898939, 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 (29889898939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14944949468 + 14944949469.

It is an arithmetic number, because the mean of its divisors is an integer number (14944949469).

Almost surely, 2^29889898937 is an apocalyptic number.

It is an amenable number.

29889898937 is a deficient number, since it is larger than the sum of its proper divisors (1).

29889898937 is an equidigital number, since it uses as much as digits as its factorization.

29889898937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128701952, while the sum is 80.

The spelling of 29889898937 in words is "twenty-nine billion, eight hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred thirty-seven".