9517494745 has 8 divisors (see below), whose sum is σ = 12459265920. Its totient is φ = 6921814320.

The previous prime is 9517494731. The next prime is 9517494773. The reversal of 9517494745 is 5474947159.

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

It is not a de Polignac number, because 9517494745 - 2¹¹ = 9517492697 is a prime.

It is a super-2 number, since 2×9517494745² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 173045359 = 9517494745 / (9 + 5 + 1 + 7 + 4 + 9 + 4 + 7 + 4 + 5).

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, 86522625 + ... + 86522734.

It is an arithmetic number, because the mean of its divisors is an integer number (1557408240).

Almost surely, 2^9517494745 is an apocalyptic number.

It is an amenable number.

9517494745 is a deficient number, since it is larger than the sum of its proper divisors (2941771175).

9517494745 is a wasteful number, since it uses less digits than its factorization.

9517494745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173045375.

The product of its digits is 6350400, while the sum is 55.

The square root of 9517494745 is about 97557.6483162648. The cubic root of 9517494745 is about 2119.2110765267.

The spelling of 9517494745 in words is "nine billion, five hundred seventeen million, four hundred ninety-four thousand, seven hundred forty-five".