6801511845 has 16 divisors (see below), whose sum is σ = 10889481600. Its totient is φ = 3625118784.

The previous prime is 6801511841. The next prime is 6801511891. The reversal of 6801511845 is 5481151086.

It is not a de Polignac number, because 6801511845 - 2² = 6801511841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801511841) 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, 123129 + ... + 169598.

It is an arithmetic number, because the mean of its divisors is an integer number (680592600).

Almost surely, 2^6801511845 is an apocalyptic number.

It is an amenable number.

6801511845 is a deficient number, since it is larger than the sum of its proper divisors (4087969755).

6801511845 is a wasteful number, since it uses less digits than its factorization.

6801511845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294284.

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 6801511845 is about 82471.2789096907. The cubic root of 6801511845 is about 1894.6768681587.

The spelling of 6801511845 in words is "six billion, eight hundred one million, five hundred eleven thousand, eight hundred forty-five".