6488730847 has 4 divisors (see below), whose sum is σ = 6524980920. Its totient is φ = 6452480776.

The previous prime is 6488730823. The next prime is 6488730877. The reversal of 6488730847 is 7480378846.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7480378846 = 2 ⋅3740189423.

It is a cyclic number.

It is not a de Polignac number, because 6488730847 - 2⁷ = 6488730719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6488730877) 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, 18124768 + ... + 18125125.

It is an arithmetic number, because the mean of its divisors is an integer number (1631245230).

Almost surely, 2^6488730847 is an apocalyptic number.

6488730847 is a deficient number, since it is larger than the sum of its proper divisors (36250073).

6488730847 is a wasteful number, since it uses less digits than its factorization.

6488730847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36250072.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The square root of 6488730847 is about 80552.6588450065. The cubic root of 6488730847 is about 1865.1764355694.

The spelling of 6488730847 in words is "six billion, four hundred eighty-eight million, seven hundred thirty thousand, eight hundred forty-seven".