2650849628489 has 2 divisors, whose sum is σ = 2650849628490. Its totient is φ = 2650849628488.

The previous prime is 2650849628429. The next prime is 2650849628521. The reversal of 2650849628489 is 9848269480562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2375707416889 + 275142211600 = 1541333^2 + 524540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650849628489 - 2¹² = 2650849624393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650849628419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325424814244 + 1325424814245.

It is an arithmetic number, because the mean of its divisors is an integer number (1325424814245).

Almost surely, 2^{2650849628489} is an apocalyptic number.

It is an amenable number.

2650849628489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650849628489 is an equidigital number, since it uses as much as digits as its factorization.

2650849628489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 477757440, while the sum is 71.

The spelling of 2650849628489 in words is "two trillion, six hundred fifty billion, eight hundred forty-nine million, six hundred twenty-eight thousand, four hundred eighty-nine".