5651247289 has 2 divisors, whose sum is σ = 5651247290. Its totient is φ = 5651247288.

The previous prime is 5651247263. The next prime is 5651247307. The reversal of 5651247289 is 9827421565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4130247289 + 1521000000 = 64267^2 + 39000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651247289 - 2¹¹ = 5651245241 is a prime.

It is not a weakly prime, because it can be changed into another prime (5651247229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825623644 + 2825623645.

It is an arithmetic number, because the mean of its divisors is an integer number (2825623645).

Almost surely, 2^5651247289 is an apocalyptic number.

It is an amenable number.

5651247289 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651247289 is an equidigital number, since it uses as much as digits as its factorization.

5651247289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 5651247289 is about 75174.7782770259. The cubic root of 5651247289 is about 1781.2085477104.

The spelling of 5651247289 in words is "five billion, six hundred fifty-one million, two hundred forty-seven thousand, two hundred eighty-nine".