9069898449971 has 2 divisors, whose sum is σ = 9069898449972. Its totient is φ = 9069898449970.

The previous prime is 9069898449863. The next prime is 9069898450111. The reversal of 9069898449971 is 1799448989609.

It is a weak prime.

It is an emirp because it is prime and its reverse (1799448989609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9069898449971 - 2³⁰ = 9068824708147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9069898449971.

It is not a weakly prime, because it can be changed into another prime (9069898448971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4534949224985 + 4534949224986.

It is an arithmetic number, because the mean of its divisors is an integer number (4534949224986).

Almost surely, 2^{9069898449971} is an apocalyptic number.

9069898449971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9069898449971 is an equidigital number, since it uses as much as digits as its factorization.

9069898449971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2539579392, while the sum is 83.

The spelling of 9069898449971 in words is "nine trillion, sixty-nine billion, eight hundred ninety-eight million, four hundred forty-nine thousand, nine hundred seventy-one".