69849898172 has 6 divisors (see below), whose sum is σ = 122237321808. Its totient is φ = 34924949084.

The previous prime is 69849898141. The next prime is 69849898211. The reversal of 69849898172 is 27189894896.

It is a junction number, because it is equal to n+sod(n) for n = 69849898096 and 69849898105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8731237268 + ... + 8731237275.

It is an arithmetic number, because the mean of its divisors is an integer number (20372886968).

Almost surely, 2^69849898172 is an apocalyptic number.

It is an amenable number.

69849898172 is a deficient number, since it is larger than the sum of its proper divisors (52387423636).

69849898172 is a wasteful number, since it uses less digits than its factorization.

69849898172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462474547 (or 17462474545 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 71.

The spelling of 69849898172 in words is "sixty-nine billion, eight hundred forty-nine million, eight hundred ninety-eight thousand, one hundred seventy-two".