10279478649 has 48 divisors (see below), whose sum is σ = 15947870400. Its totient is φ = 5875013760.

The previous prime is 10279478647. The next prime is 10279478663. The reversal of 10279478649 is 94687497201.

It is a happy number.

10279478649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10279478649 - 2¹ = 10279478647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10279478647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441307 + ... + 464015.

It is an arithmetic number, because the mean of its divisors is an integer number (332247300).

Almost surely, 2^10279478649 is an apocalyptic number.

It is an amenable number.

10279478649 is a deficient number, since it is larger than the sum of its proper divisors (5668391751).

10279478649 is a wasteful number, since it uses less digits than its factorization.

10279478649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22806 (or 22795 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 10279478649 in words is "ten billion, two hundred seventy-nine million, four hundred seventy-eight thousand, six hundred forty-nine".