6989320975 has 24 divisors (see below), whose sum is σ = 10666782560. Its totient is φ = 4424008320.

The previous prime is 6989320967. The next prime is 6989321023. The reversal of 6989320975 is 5790239896.

It is not a de Polignac number, because 6989320975 - 2³ = 6989320967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1533840 + ... + 1538389.

Almost surely, 2^6989320975 is an apocalyptic number.

6989320975 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6989320975 is a deficient number, since it is larger than the sum of its proper divisors (3677461585).

6989320975 is a wasteful number, since it uses less digits than its factorization.

6989320975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072259 (or 3072254 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 6989320975 is about 83602.1589135113. The cubic root of 6989320975 is about 1911.9579143434.

The spelling of 6989320975 in words is "six billion, nine hundred eighty-nine million, three hundred twenty thousand, nine hundred seventy-five".