6989988097 has 8 divisors (see below), whose sum is σ = 7368993792. Its totient is φ = 6620577600.

The previous prime is 6989988011. The next prime is 6989988113. The reversal of 6989988097 is 7908899896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6989988097 - 2³¹ = 4842504449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6989988497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397304 + ... + 2400217.

It is an arithmetic number, because the mean of its divisors is an integer number (921124224).

Almost surely, 2^6989988097 is an apocalyptic number.

It is an amenable number.

6989988097 is a deficient number, since it is larger than the sum of its proper divisors (379005695).

6989988097 is a wasteful number, since it uses less digits than its factorization.

6989988097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797599.

The product of its (nonzero) digits is 141087744, while the sum is 73.

The square root of 6989988097 is about 83606.1486793884. The cubic root of 6989988097 is about 1912.0187437436.

The spelling of 6989988097 in words is "six billion, nine hundred eighty-nine million, nine hundred eighty-eight thousand, ninety-seven".