9479762649 has 24 divisors (see below), whose sum is σ = 16569671040. Its totient is φ = 5098359168.

The previous prime is 9479762647. The next prime is 9479762657. The reversal of 9479762649 is 9462679749.

It is not a de Polignac number, because 9479762649 - 2¹ = 9479762647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9479762647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4424589 + ... + 4426730.

It is an arithmetic number, because the mean of its divisors is an integer number (690402960).

Almost surely, 2^9479762649 is an apocalyptic number.

It is an amenable number.

9479762649 is a deficient number, since it is larger than the sum of its proper divisors (7089908391).

9479762649 is a wasteful number, since it uses less digits than its factorization.

9479762649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851349 (or 8851346 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 9479762649 is about 97364.0726808405. The cubic root of 9479762649 is about 2116.4068308928.

It can be divided in two parts, 947976 and 2649, that added together give a square (950625 = 975²).

The spelling of 9479762649 in words is "nine billion, four hundred seventy-nine million, seven hundred sixty-two thousand, six hundred forty-nine".