2602522649 has 2 divisors, whose sum is σ = 2602522650. Its totient is φ = 2602522648.

The previous prime is 2602522561. The next prime is 2602522691. The reversal of 2602522649 is 9462252062.

2602522649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2556010249 + 46512400 = 50557^2 + 6820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2602522649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2602522049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301261324 + 1301261325.

It is an arithmetic number, because the mean of its divisors is an integer number (1301261325).

Almost surely, 2^2602522649 is an apocalyptic number.

It is an amenable number.

2602522649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2602522649 is an equidigital number, since it uses as much as digits as its factorization.

2602522649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2602522649 is about 51014.9257472752. The cubic root of 2602522649 is about 1375.5134433349.

The spelling of 2602522649 in words is "two billion, six hundred two million, five hundred twenty-two thousand, six hundred forty-nine".