6506630226545 has 16 divisors (see below), whose sum is σ = 7877274637392. Its totient is φ = 5159094528000.

The previous prime is 6506630226541. The next prime is 6506630226553. The reversal of 6506630226545 is 5456220366056.

It can be written as a sum of positive squares in 8 ways, for example, as 2411041879009 + 4095588347536 = 1552753^2 + 2023756^2 .

It is not a de Polignac number, because 6506630226545 - 2² = 6506630226541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6506630226493 and 6506630226502.

It is not an unprimeable number, because it can be changed into a prime (6506630226541) 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, 22850045 + ... + 23133045.

It is an arithmetic number, because the mean of its divisors is an integer number (492329664837).

Almost surely, 2^{6506630226545} is an apocalyptic number.

It is an amenable number.

6506630226545 is a deficient number, since it is larger than the sum of its proper divisors (1370644410847).

6506630226545 is a wasteful number, since it uses less digits than its factorization.

6506630226545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323812.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 6506630226545 in words is "six trillion, five hundred six billion, six hundred thirty million, two hundred twenty-six thousand, five hundred forty-five".