60900000649 has 2 divisors, whose sum is σ = 60900000650. Its totient is φ = 60900000648.

The previous prime is 60900000647. The next prime is 60900000683. The reversal of 60900000649 is 94600000906.

60900000649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (60900000683) can be obtained adding 60900000649 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53314810000 + 7585190649 = 230900^2 + 87093^2 .

It is a cyclic number.

It is not a de Polignac number, because 60900000649 - 2¹ = 60900000647 is a prime.

Together with 60900000647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60900000647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30450000324 + 30450000325.

It is an arithmetic number, because the mean of its divisors is an integer number (30450000325).

Almost surely, 2^60900000649 is an apocalyptic number.

It is an amenable number.

60900000649 is a deficient number, since it is larger than the sum of its proper divisors (1).

60900000649 is an equidigital number, since it uses as much as digits as its factorization.

60900000649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 60900000649 in words is "sixty billion, nine hundred million, six hundred forty-nine", and thus it is an aban number.