5651563145 has 4 divisors (see below), whose sum is σ = 6781875780. Its totient is φ = 4521250512.

The previous prime is 5651563133. The next prime is 5651563153. The reversal of 5651563145 is 5413651565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3490800889 + 2160762256 = 59083^2 + 46484^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651563145 - 2¹⁰ = 5651562121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565156310 + ... + 565156319.

It is an arithmetic number, because the mean of its divisors is an integer number (1695468945).

Almost surely, 2^5651563145 is an apocalyptic number.

It is an amenable number.

5651563145 is a deficient number, since it is larger than the sum of its proper divisors (1130312635).

5651563145 is a wasteful number, since it uses less digits than its factorization.

5651563145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130312634.

The product of its digits is 270000, while the sum is 41.

The square root of 5651563145 is about 75176.8790586574. The cubic root of 5651563145 is about 1781.2417318258.

The spelling of 5651563145 in words is "five billion, six hundred fifty-one million, five hundred sixty-three thousand, one hundred forty-five".