6129500648 has 8 divisors (see below), whose sum is σ = 11492813730. Its totient is φ = 3064750320.

The previous prime is 6129500647. The next prime is 6129500651. The reversal of 6129500648 is 8460059216.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5411367844 + 718132804 = 73562^2 + 26798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6129500647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383093783 + ... + 383093798.

Almost surely, 2^6129500648 is an apocalyptic number.

It is an amenable number.

6129500648 is a deficient number, since it is larger than the sum of its proper divisors (5363313082).

6129500648 is a wasteful number, since it uses less digits than its factorization.

6129500648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766187587 (or 766187583 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 6129500648 is about 78291.1275177462. The cubic root of 6129500648 is about 1830.1008880647.

The spelling of 6129500648 in words is "six billion, one hundred twenty-nine million, five hundred thousand, six hundred forty-eight".