29674789889 has 2 divisors, whose sum is σ = 29674789890. Its totient is φ = 29674789888.

The previous prime is 29674789873. The next prime is 29674789927. The reversal of 29674789889 is 98898747692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16426779889 + 13248010000 = 128167^2 + 115100^2 .

It is a cyclic number.

It is not a de Polignac number, because 29674789889 - 2⁴ = 29674789873 is a prime.

It is not a weakly prime, because it can be changed into another prime (29674789789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14837394944 + 14837394945.

It is an arithmetic number, because the mean of its divisors is an integer number (14837394945).

Almost surely, 2^29674789889 is an apocalyptic number.

It is an amenable number.

29674789889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29674789889 is an equidigital number, since it uses as much as digits as its factorization.

29674789889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 77.

The spelling of 29674789889 in words is "twenty-nine billion, six hundred seventy-four million, seven hundred eighty-nine thousand, eight hundred eighty-nine".