6308908645 has 16 divisors (see below), whose sum is σ = 8291243520. Its totient is φ = 4579919424.

The previous prime is 6308908633. The next prime is 6308908667. The reversal of 6308908645 is 5468098036.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6308908645 - 2²⁷ = 6174690917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818709 + ... + 826378.

It is an arithmetic number, because the mean of its divisors is an integer number (518202720).

Almost surely, 2^6308908645 is an apocalyptic number.

6308908645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6308908645 is a deficient number, since it is larger than the sum of its proper divisors (1982334875).

6308908645 is a wasteful number, since it uses less digits than its factorization.

6308908645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645164.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 6308908645 is about 79428.6386953723. The cubic root of 6308908645 is about 1847.7848963986.

The spelling of 6308908645 in words is "six billion, three hundred eight million, nine hundred eight thousand, six hundred forty-five".