6345948378 has 32 divisors (see below), whose sum is σ = 15823664640. Its totient is φ = 1648298160.

The previous prime is 6345948337. The next prime is 6345948379. The reversal of 6345948378 is 8738495436.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6345948379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6867448 + ... + 6868371.

It is an arithmetic number, because the mean of its divisors is an integer number (494489520).

Almost surely, 2^6345948378 is an apocalyptic number.

6345948378 is an abundant number, since it is smaller than the sum of its proper divisors (9477716262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6345948378 is a wasteful number, since it uses less digits than its factorization.

6345948378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735842.

The product of its digits is 17418240, while the sum is 57.

The square root of 6345948378 is about 79661.4610586575. The cubic root of 6345948378 is about 1851.3939703716.

The spelling of 6345948378 in words is "six billion, three hundred forty-five million, nine hundred forty-eight thousand, three hundred seventy-eight".