69997863712189 has 24 divisors (see below), whose sum is σ = 84609375207936. Its totient is φ = 57678222420000.

The previous prime is 69997863712159. The next prime is 69997863712207. The reversal of 69997863712189 is 98121736879996.

It is a happy number.

It is not a de Polignac number, because 69997863712189 - 2³⁵ = 69963503973821 is a prime.

It is a super-2 number, since 2×69997863712189² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69997863712129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152358522 + ... + 152817259.

It is an arithmetic number, because the mean of its divisors is an integer number (3525390633664).

Almost surely, 2^{69997863712189} is an apocalyptic number.

It is an amenable number.

69997863712189 is a deficient number, since it is larger than the sum of its proper divisors (14611511495747).

69997863712189 is a wasteful number, since it uses less digits than its factorization.

69997863712189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305175977 (or 305175970 counting only the distinct ones).

The product of its digits is 4444263936, while the sum is 85.

The spelling of 69997863712189 in words is "sixty-nine trillion, nine hundred ninety-seven billion, eight hundred sixty-three million, seven hundred twelve thousand, one hundred eighty-nine".