2619053561 has 2 divisors, whose sum is σ = 2619053562. Its totient is φ = 2619053560.

The previous prime is 2619053557. The next prime is 2619053573. The reversal of 2619053561 is 1653509162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2101764025 + 517289536 = 45845^2 + 22744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2619053561 - 2² = 2619053557 is a prime.

It is not a weakly prime, because it can be changed into another prime (2619053551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309526780 + 1309526781.

It is an arithmetic number, because the mean of its divisors is an integer number (1309526781).

Almost surely, 2^2619053561 is an apocalyptic number.

It is an amenable number.

2619053561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619053561 is an equidigital number, since it uses as much as digits as its factorization.

2619053561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2619053561 is about 51176.6896252581. The cubic root of 2619053561 is about 1378.4196641912.

The spelling of 2619053561 in words is "two billion, six hundred nineteen million, fifty-three thousand, five hundred sixty-one".