9749783064 has 128 divisors (see below), whose sum is σ = 29098368000. Its totient is φ = 2663345664.

The previous prime is 9749783011. The next prime is 9749783083. The reversal of 9749783064 is 4603879479.

It is a super-2 number, since 2×9749783064² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9749782995 and 9749783013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492102 + ... + 511530.

It is an arithmetic number, because the mean of its divisors is an integer number (227331000).

Almost surely, 2^9749783064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9749783064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14549184000).

9749783064 is an abundant number, since it is smaller than the sum of its proper divisors (19348584936).

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

9749783064 is a wasteful number, since it uses less digits than its factorization.

9749783064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577 (or 19573 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The square root of 9749783064 is about 98740.9897864104. The cubic root of 9749783064 is about 2136.3134963984.

The spelling of 9749783064 in words is "nine billion, seven hundred forty-nine million, seven hundred eighty-three thousand, sixty-four".