5646215045 has 12 divisors (see below), whose sum is σ = 6922697484. Its totient is φ = 4420857600.

The previous prime is 5646215033. The next prime is 5646215063. The reversal of 5646215045 is 5405126465.

It can be written as a sum of positive squares in 2 ways, for example, as 2200172836 + 3446042209 = 46906^2 + 58703^2 .

It is not a de Polignac number, because 5646215045 - 2¹² = 5646210949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244556 + ... + 266645.

It is an arithmetic number, because the mean of its divisors is an integer number (576891457).

Almost surely, 2^5646215045 is an apocalyptic number.

It is an amenable number.

5646215045 is a deficient number, since it is larger than the sum of its proper divisors (1276482439).

5646215045 is an equidigital number, since it uses as much as digits as its factorization.

5646215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511300 (or 511253 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 5646215045 is about 75141.3005277391. The cubic root of 5646215045 is about 1780.6796887735.

The spelling of 5646215045 in words is "five billion, six hundred forty-six million, two hundred fifteen thousand, forty-five".