9649481323 has 4 divisors (see below), whose sum is σ = 9884834568. Its totient is φ = 9414128080.

The previous prime is 9649481291. The next prime is 9649481327. The reversal of 9649481323 is 3231849469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231849469 = 41443 ⋅77983.

It is not a de Polignac number, because 9649481323 - 2⁵ = 9649481291 is a prime.

It is a super-2 number, since 2×9649481323² (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 (9649481327) 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, 117676561 + ... + 117676642.

It is an arithmetic number, because the mean of its divisors is an integer number (2471208642).

Almost surely, 2^9649481323 is an apocalyptic number.

9649481323 is a deficient number, since it is larger than the sum of its proper divisors (235353245).

9649481323 is a wasteful number, since it uses less digits than its factorization.

9649481323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235353244.

The product of its digits is 1119744, while the sum is 49.

The square root of 9649481323 is about 98231.7734900475. The cubic root of 9649481323 is about 2128.9623931513.

The spelling of 9649481323 in words is "nine billion, six hundred forty-nine million, four hundred eighty-one thousand, three hundred twenty-three".