2628502489 has 2 divisors, whose sum is σ = 2628502490. Its totient is φ = 2628502488.

The previous prime is 2628502483. The next prime is 2628502507. The reversal of 2628502489 is 9842058262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552990464 + 1075512025 = 39408^2 + 32795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628502489 - 2²¹ = 2626405337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628502483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314251244 + 1314251245.

It is an arithmetic number, because the mean of its divisors is an integer number (1314251245).

Almost surely, 2^2628502489 is an apocalyptic number.

It is an amenable number.

2628502489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628502489 is an equidigital number, since it uses as much as digits as its factorization.

2628502489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 2628502489 is about 51268.9232284042. The cubic root of 2628502489 is about 1380.0753457776.

The spelling of 2628502489 in words is "two billion, six hundred twenty-eight million, five hundred two thousand, four hundred eighty-nine".