9490786659 has 8 divisors (see below), whose sum is σ = 14060424720. Its totient is φ = 6327191088.

The previous prime is 9490786637. The next prime is 9490786661. The reversal of 9490786659 is 9566870949.

It is a happy number.

9490786659 is a `hidden beast` number, since 9 + 490 + 7 + 86 + 65 + 9 = 666.

It is not a de Polignac number, because 9490786659 - 2⁷ = 9490786531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9490786596 and 9490786605.

It is not an unprimeable number, because it can be changed into a prime (9490786759) 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, 175755282 + ... + 175755335.

It is an arithmetic number, because the mean of its divisors is an integer number (1757553090).

Almost surely, 2^9490786659 is an apocalyptic number.

9490786659 is a deficient number, since it is larger than the sum of its proper divisors (4569638061).

9490786659 is a wasteful number, since it uses less digits than its factorization.

9490786659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351510626 (or 351510620 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The square root of 9490786659 is about 97420.6685411263. The cubic root of 9490786659 is about 2117.2269024772.

The spelling of 9490786659 in words is "nine billion, four hundred ninety million, seven hundred eighty-six thousand, six hundred fifty-nine".