9671897490 has 32 divisors (see below), whose sum is σ = 23217891840. Its totient is φ = 2578579584.

The previous prime is 9671897489. The next prime is 9671897497. The reversal of 9671897490 is 947981769.

It is not an unprimeable number, because it can be changed into a prime (9671897497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104422 + ... + 173918.

It is an arithmetic number, because the mean of its divisors is an integer number (725559120).

Almost surely, 2^9671897490 is an apocalyptic number.

9671897490 is an abundant number, since it is smaller than the sum of its proper divisors (13545994350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9671897490 is a wasteful number, since it uses less digits than its factorization.

9671897490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74146.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The square root of 9671897490 is about 98345.8056553507. The cubic root of 9671897490 is about 2130.6096758125.

The spelling of 9671897490 in words is "nine billion, six hundred seventy-one million, eight hundred ninety-seven thousand, four hundred ninety".