29486639203969 has 2 divisors, whose sum is σ = 29486639203970. Its totient is φ = 29486639203968.

The previous prime is 29486639203943. The next prime is 29486639203981. The reversal of 29486639203969 is 96930293668492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25293727728369 + 4192911475600 = 5029287^2 + 2047660^2 .

It is a cyclic number.

It is not a de Polignac number, because 29486639203969 - 2¹³ = 29486639195777 is a prime.

It is a super-2 number, since 2×29486639203969² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29486639203895 and 29486639203904.

It is not a weakly prime, because it can be changed into another prime (29486639203169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14743319601984 + 14743319601985.

It is an arithmetic number, because the mean of its divisors is an integer number (14743319601985).

Almost surely, 2^{29486639203969} is an apocalyptic number.

It is an amenable number.

29486639203969 is a deficient number, since it is larger than the sum of its proper divisors (1).

29486639203969 is an equidigital number, since it uses as much as digits as its factorization.

29486639203969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632586752, while the sum is 76.

The spelling of 29486639203969 in words is "twenty-nine trillion, four hundred eighty-six billion, six hundred thirty-nine million, two hundred three thousand, nine hundred sixty-nine".