9845690747 has 4 divisors (see below), whose sum is σ = 9848010000. Its totient is φ = 9843371496.

The previous prime is 9845690741. The next prime is 9845690773. The reversal of 9845690747 is 7470965489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9845690747 - 2⁶ = 9845690683 is a prime.

It is a super-2 number, since 2×9845690747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9845690741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153247 + ... + 1161752.

It is an arithmetic number, because the mean of its divisors is an integer number (2462002500).

Almost surely, 2^9845690747 is an apocalyptic number.

9845690747 is a deficient number, since it is larger than the sum of its proper divisors (2319253).

9845690747 is a wasteful number, since it uses less digits than its factorization.

9845690747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319252.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The square root of 9845690747 is about 99225.4541284644. The cubic root of 9845690747 is about 2143.2955560587.

The spelling of 9845690747 in words is "nine billion, eight hundred forty-five million, six hundred ninety thousand, seven hundred forty-seven".