69368221989 has 16 divisors (see below), whose sum is σ = 112110258240. Its totient is φ = 42041346480.

The previous prime is 69368221963. The next prime is 69368222017. The reversal of 69368221989 is 98912286396.

69368221989 is a `hidden beast` number, since 69 + 368 + 22 + 198 + 9 = 666.

It is not a de Polignac number, because 69368221989 - 2⁸ = 69368221733 is a prime.

It is a super-2 number, since 2×69368221989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69368221889) 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, 116781222 + ... + 116781815.

It is an arithmetic number, because the mean of its divisors is an integer number (7006891140).

Almost surely, 2^69368221989 is an apocalyptic number.

It is an amenable number.

69368221989 is a deficient number, since it is larger than the sum of its proper divisors (42742036251).

69368221989 is a wasteful number, since it uses less digits than its factorization.

69368221989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233563057 (or 233563051 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 69368221989 in words is "sixty-nine billion, three hundred sixty-eight million, two hundred twenty-one thousand, nine hundred eighty-nine".