10649747939 has 2 divisors, whose sum is σ = 10649747940. Its totient is φ = 10649747938.

The previous prime is 10649747897. The next prime is 10649747947. The reversal of 10649747939 is 93974794601.

10649747939 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 is a cyclic number.

It is not a de Polignac number, because 10649747939 - 2⁸ = 10649747683 is a prime.

It is a super-2 number, since 2×10649747939² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10649747959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324873969 + 5324873970.

It is an arithmetic number, because the mean of its divisors is an integer number (5324873970).

Almost surely, 2^10649747939 is an apocalyptic number.

10649747939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649747939 is an equidigital number, since it uses as much as digits as its factorization.

10649747939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 10649747939 in words is "ten billion, six hundred forty-nine million, seven hundred forty-seven thousand, nine hundred thirty-nine".