9145963691000 has 64 divisors (see below), whose sum is σ = 21752400346560. Its totient is φ = 3598411920000.

The previous prime is 9145963690951. The next prime is 9145963691023. The reversal of 9145963691000 is 1963695419.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74905916 + ... + 75027915.

It is an arithmetic number, because the mean of its divisors is an integer number (339881255415).

Almost surely, 2^{9145963691000} is an apocalyptic number.

It is an amenable number.

9145963691000 is an abundant number, since it is smaller than the sum of its proper divisors (12606436655560).

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

9145963691000 is a wasteful number, since it uses less digits than its factorization.

9145963691000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149933913 (or 149933899 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 9145963691000 in words is "nine trillion, one hundred forty-five billion, nine hundred sixty-three million, six hundred ninety-one thousand".