2620221053 has 2 divisors, whose sum is σ = 2620221054. Its totient is φ = 2620221052.

The previous prime is 2620221031. The next prime is 2620221073. The reversal of 2620221053 is 3501220262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2544496249 + 75724804 = 50443^2 + 8702^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620221053 - 2⁸ = 2620220797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620221073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310110526 + 1310110527.

It is an arithmetic number, because the mean of its divisors is an integer number (1310110527).

Almost surely, 2^2620221053 is an apocalyptic number.

It is an amenable number.

2620221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620221053 is an equidigital number, since it uses as much as digits as its factorization.

2620221053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2620221053 is about 51188.0948365926. The cubic root of 2620221053 is about 1378.6244525277.

The spelling of 2620221053 in words is "two billion, six hundred twenty million, two hundred twenty-one thousand, fifty-three".