2608620493 has 2 divisors, whose sum is σ = 2608620494. Its totient is φ = 2608620492.

The previous prime is 2608620479. The next prime is 2608620551. The reversal of 2608620493 is 3940268062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2405215849 + 203404644 = 49043^2 + 14262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2608620493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2608620433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304310246 + 1304310247.

It is an arithmetic number, because the mean of its divisors is an integer number (1304310247).

Almost surely, 2^2608620493 is an apocalyptic number.

It is an amenable number.

2608620493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2608620493 is an equidigital number, since it uses as much as digits as its factorization.

2608620493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2608620493 is about 51074.6560732424. The cubic root of 2608620493 is about 1376.5869048863.

The spelling of 2608620493 in words is "two billion, six hundred eight million, six hundred twenty thousand, four hundred ninety-three".