2620015361 has 2 divisors, whose sum is σ = 2620015362. Its totient is φ = 2620015360.

The previous prime is 2620015351. The next prime is 2620015379. The reversal of 2620015361 is 1635100262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028601600 + 591413761 = 45040^2 + 24319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620015361 - 2¹⁰ = 2620014337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2620015361.

It is not a weakly prime, because it can be changed into another prime (2620015351) 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, 1310007680 + 1310007681.

It is an arithmetic number, because the mean of its divisors is an integer number (1310007681).

Almost surely, 2^2620015361 is an apocalyptic number.

It is an amenable number.

2620015361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620015361 is an equidigital number, since it uses as much as digits as its factorization.

2620015361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2620015361 is about 51186.0856190430. The cubic root of 2620015361 is about 1378.5883767621.

The spelling of 2620015361 in words is "two billion, six hundred twenty million, fifteen thousand, three hundred sixty-one".