4545909545506 has 12 divisors (see below), whose sum is σ = 7932148288758. Its totient is φ = 1948246948032.

The previous prime is 4545909545491. The next prime is 4545909545519. The reversal of 4545909545506 is 6055459095454.

It can be written as a sum of positive squares in only one way, i.e., 3322472245225 + 1223437300281 = 1822765^2 + 1106091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23193415951 + ... + 23193416146.

Almost surely, 2^{4545909545506} is an apocalyptic number.

4545909545506 is a deficient number, since it is larger than the sum of its proper divisors (3386238743252).

4545909545506 is a wasteful number, since it uses less digits than its factorization.

4545909545506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46386832113 (or 46386832106 counting only the distinct ones).

The product of its (nonzero) digits is 97200000, while the sum is 61.

The spelling of 4545909545506 in words is "four trillion, five hundred forty-five billion, nine hundred nine million, five hundred forty-five thousand, five hundred six".