8233638898069 has 16 divisors (see below), whose sum is σ = 9070200014848. Its totient is φ = 7427893378752.

The previous prime is 8233638898061. The next prime is 8233638898123. The reversal of 8233638898069 is 9608988363328.

It is a cyclic number.

It is not a de Polignac number, because 8233638898069 - 2³ = 8233638898061 is a prime.

It is a super-2 number, since 2×8233638898069² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8233638897992 and 8233638898010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8233638898061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37106262 + ... + 37327495.

It is an arithmetic number, because the mean of its divisors is an integer number (566887500928).

Almost surely, 2^{8233638898069} is an apocalyptic number.

It is an amenable number.

8233638898069 is a deficient number, since it is larger than the sum of its proper divisors (836561116779).

8233638898069 is a wasteful number, since it uses less digits than its factorization.

8233638898069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74433964.

The product of its (nonzero) digits is 644972544, while the sum is 73.

The spelling of 8233638898069 in words is "eight trillion, two hundred thirty-three billion, six hundred thirty-eight million, eight hundred ninety-eight thousand, sixty-nine".