6989165901 has 24 divisors (see below), whose sum is σ = 10517008320. Its totient is φ = 4468737600.

The previous prime is 6989165893. The next prime is 6989165933. The reversal of 6989165901 is 1095619896.

It is not a de Polignac number, because 6989165901 - 2³ = 6989165893 is a prime.

It is a super-2 number, since 2×6989165901² = 97696879983402283602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989165401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138745 + ... + 182286.

It is an arithmetic number, because the mean of its divisors is an integer number (438208680).

Almost surely, 2^6989165901 is an apocalyptic number.

It is an amenable number.

6989165901 is a deficient number, since it is larger than the sum of its proper divisors (3527842419).

6989165901 is a wasteful number, since it uses less digits than its factorization.

6989165901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321137 (or 321134 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 6989165901 is about 83601.2314562411. The cubic root of 6989165901 is about 1911.9437738589.

The spelling of 6989165901 in words is "six billion, nine hundred eighty-nine million, one hundred sixty-five thousand, nine hundred one".