2288951561609 has 2 divisors, whose sum is σ = 2288951561610. Its totient is φ = 2288951561608.

The previous prime is 2288951561579. The next prime is 2288951561639. The reversal of 2288951561609 is 9061651598822.

It is a balanced prime because it is at equal distance from previous prime (2288951561579) and next prime (2288951561639).

It can be written as a sum of positive squares in only one way, i.e., 1393710108025 + 895241453584 = 1180555^2 + 946172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288951561609 - 2²⁴ = 2288934784393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2288951561639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144475780804 + 1144475780805.

It is an arithmetic number, because the mean of its divisors is an integer number (1144475780805).

Almost surely, 2^{2288951561609} is an apocalyptic number.

It is an amenable number.

2288951561609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288951561609 is an equidigital number, since it uses as much as digits as its factorization.

2288951561609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 2288951561609 in words is "two trillion, two hundred eighty-eight billion, nine hundred fifty-one million, five hundred sixty-one thousand, six hundred nine".