2039153561 has 2 divisors, whose sum is σ = 2039153562. Its totient is φ = 2039153560.

The previous prime is 2039153503. The next prime is 2039153563. The reversal of 2039153561 is 1653519302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038063961 + 1001089600 = 32219^2 + 31640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039153561 - 2¹⁰ = 2039152537 is a prime.

Together with 2039153563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2039153563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019576780 + 1019576781.

It is an arithmetic number, because the mean of its divisors is an integer number (1019576781).

Almost surely, 2^2039153561 is an apocalyptic number.

It is an amenable number.

2039153561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039153561 is an equidigital number, since it uses as much as digits as its factorization.

2039153561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 2039153561 is about 45156.9879531397. The cubic root of 2039153561 is about 1268.0897068309.

The spelling of 2039153561 in words is "two billion, thirty-nine million, one hundred fifty-three thousand, five hundred sixty-one".