5646529945 has 48 divisors (see below), whose sum is σ = 8075358720. Its totient is φ = 3777508224.

The previous prime is 5646529921. The next prime is 5646530011. The reversal of 5646529945 is 5499256465.

It is not a de Polignac number, because 5646529945 - 2¹¹ = 5646527897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5054527 + ... + 5055643.

It is an arithmetic number, because the mean of its divisors is an integer number (168236640).

Almost surely, 2^5646529945 is an apocalyptic number.

It is an amenable number.

5646529945 is a deficient number, since it is larger than the sum of its proper divisors (2428828775).

5646529945 is a wasteful number, since it uses less digits than its factorization.

5646529945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1615 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 55.

The square root of 5646529945 is about 75143.3958841361. The cubic root of 5646529945 is about 1780.7127921065.

The spelling of 5646529945 in words is "five billion, six hundred forty-six million, five hundred twenty-nine thousand, nine hundred forty-five".