9718797545 has 8 divisors (see below), whose sum is σ = 12169624896. Its totient is φ = 7436992816.

The previous prime is 9718797527. The next prime is 9718797551. The reversal of 9718797545 is 5457978179.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9718797545 - 2¹² = 9718793449 is a prime.

It is a Duffinian 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, 42255527 + ... + 42255756.

It is an arithmetic number, because the mean of its divisors is an integer number (1521203112).

Almost surely, 2^9718797545 is an apocalyptic number.

It is an amenable number.

9718797545 is a deficient number, since it is larger than the sum of its proper divisors (2450827351).

9718797545 is a wasteful number, since it uses less digits than its factorization.

9718797545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84511311.

The product of its digits is 22226400, while the sum is 62.

The square root of 9718797545 is about 98583.9619055757. The cubic root of 9718797545 is about 2134.0479748644.

The spelling of 9718797545 in words is "nine billion, seven hundred eighteen million, seven hundred ninety-seven thousand, five hundred forty-five".