9491625745445 has 8 divisors (see below), whose sum is σ = 11390991233400. Its totient is φ = 7592607037120.

The previous prime is 9491625745241. The next prime is 9491625745453. The reversal of 9491625745445 is 5445475261949.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 665206622404 + 8826419123041 = 815602^2 + 2970929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9491625745445 - 2¹⁰ = 9491625744421 is a prime.

It is a congruent number.

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, 86634686 + ... + 86744175.

It is an arithmetic number, because the mean of its divisors is an integer number (1423873904175).

Almost surely, 2^{9491625745445} is an apocalyptic number.

It is an amenable number.

9491625745445 is a deficient number, since it is larger than the sum of its proper divisors (1899365487955).

9491625745445 is a wasteful number, since it uses less digits than its factorization.

9491625745445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173389815.

The product of its digits is 217728000, while the sum is 65.

The spelling of 9491625745445 in words is "nine trillion, four hundred ninety-one billion, six hundred twenty-five million, seven hundred forty-five thousand, four hundred forty-five".