2069294561 has 2 divisors, whose sum is σ = 2069294562. Its totient is φ = 2069294560.

The previous prime is 2069294537. The next prime is 2069294581. The reversal of 2069294561 is 1654929602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630140625 + 439153936 = 40375^2 + 20956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2069294561 - 2¹⁰ = 2069293537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2069294581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034647280 + 1034647281.

It is an arithmetic number, because the mean of its divisors is an integer number (1034647281).

Almost surely, 2^2069294561 is an apocalyptic number.

It is an amenable number.

2069294561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069294561 is an equidigital number, since it uses as much as digits as its factorization.

2069294561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2069294561 is about 45489.4994586663. The cubic root of 2069294561 is about 1274.3071075125.

The spelling of 2069294561 in words is "two billion, sixty-nine million, two hundred ninety-four thousand, five hundred sixty-one".