5646305290 has 16 divisors (see below), whose sum is σ = 10169742312. Its totient is φ = 2257101504.

The previous prime is 5646305279. The next prime is 5646305299. The reversal of 5646305290 is 925036465.

It can be written as a sum of positive squares in 4 ways, for example, as 2293547881 + 3352757409 = 47891^2 + 57903^2 .

It is not an unprimeable number, because it can be changed into a prime (5646305299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160809 + ... + 192748.

Almost surely, 2^5646305290 is an apocalyptic number.

5646305290 is a deficient number, since it is larger than the sum of its proper divisors (4523437022).

5646305290 is a wasteful number, since it uses less digits than its factorization.

5646305290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355161.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5646305290 is about 75141.9010273230. The cubic root of 5646305290 is about 1780.6891757532.

The spelling of 5646305290 in words is "five billion, six hundred forty-six million, three hundred five thousand, two hundred ninety".