9164489497 has 2 divisors, whose sum is σ = 9164489498. Its totient is φ = 9164489496.

The previous prime is 9164489473. The next prime is 9164489527. The reversal of 9164489497 is 7949844619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5728067856 + 3436421641 = 75684^2 + 58621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9164489497 is a prime.

It is not a weakly prime, because it can be changed into another prime (9164489437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4582244748 + 4582244749.

It is an arithmetic number, because the mean of its divisors is an integer number (4582244749).

Almost surely, 2^9164489497 is an apocalyptic number.

It is an amenable number.

9164489497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9164489497 is an equidigital number, since it uses as much as digits as its factorization.

9164489497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 61.

The square root of 9164489497 is about 95731.3402026734. The cubic root of 9164489497 is about 2092.6796894566.

The spelling of 9164489497 in words is "nine billion, one hundred sixty-four million, four hundred eighty-nine thousand, four hundred ninety-seven".