9870980690 has 16 divisors (see below), whose sum is σ = 18032956992. Its totient is φ = 3889460784.

The previous prime is 9870980671. The next prime is 9870980701. The reversal of 9870980690 is 960890789.

It is a super-2 number, since 2×9870980690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7365734 + ... + 7367073.

It is an arithmetic number, because the mean of its divisors is an integer number (1127059812).

Almost surely, 2^9870980690 is an apocalyptic number.

9870980690 is a deficient number, since it is larger than the sum of its proper divisors (8161976302).

9870980690 is a wasteful number, since it uses less digits than its factorization.

9870980690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732881.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 9870980690 is about 99352.8091701488. The cubic root of 9870980690 is about 2145.1290986066.

The spelling of 9870980690 in words is "nine billion, eight hundred seventy million, nine hundred eighty thousand, six hundred ninety".