6815623045 has 32 divisors (see below), whose sum is σ = 10255921920. Its totient is φ = 4224099840.

The previous prime is 6815622973. The next prime is 6815623049. The reversal of 6815623045 is 5403265186.

It is not a de Polignac number, because 6815623045 - 2⁷ = 6815622917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6815622989 and 6815623007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6815623049) 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 31 ways as a sum of consecutive naturals, for example, 15441 + ... + 117769.

It is an arithmetic number, because the mean of its divisors is an integer number (320497560).

Almost surely, 2^6815623045 is an apocalyptic number.

It is an amenable number.

6815623045 is a deficient number, since it is larger than the sum of its proper divisors (3440298875).

6815623045 is a wasteful number, since it uses less digits than its factorization.

6815623045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102525.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 6815623045 is about 82556.7867894578. The cubic root of 6815623045 is about 1895.9862679970.

The spelling of 6815623045 in words is "six billion, eight hundred fifteen million, six hundred twenty-three thousand, forty-five".