2619580421 has 2 divisors, whose sum is σ = 2619580422. Its totient is φ = 2619580420.

The previous prime is 2619580409. The next prime is 2619580441. The reversal of 2619580421 is 1240859162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1867449796 + 752130625 = 43214^2 + 27425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2619580421 - 2¹⁰ = 2619579397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2619580441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309790210 + 1309790211.

It is an arithmetic number, because the mean of its divisors is an integer number (1309790211).

Almost surely, 2^2619580421 is an apocalyptic number.

It is an amenable number.

2619580421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619580421 is an equidigital number, since it uses as much as digits as its factorization.

2619580421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2619580421 is about 51181.8368271402. The cubic root of 2619580421 is about 1378.5120875896.

The spelling of 2619580421 in words is "two billion, six hundred nineteen million, five hundred eighty thousand, four hundred twenty-one".