947614649 has 2 divisors, whose sum is σ = 947614650. Its totient is φ = 947614648.

The previous prime is 947614627. The next prime is 947614711. The reversal of 947614649 is 946416749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924160000 + 23454649 = 30400^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 947614649 - 2¹² = 947610553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 947614597 and 947614606.

It is not a weakly prime, because it can be changed into another prime (947614849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473807324 + 473807325.

It is an arithmetic number, because the mean of its divisors is an integer number (473807325).

Almost surely, 2^947614649 is an apocalyptic number.

It is an amenable number.

947614649 is a deficient number, since it is larger than the sum of its proper divisors (1).

947614649 is an equidigital number, since it uses as much as digits as its factorization.

947614649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 947614649 is about 30783.3501912966. The cubic root of 947614649 is about 982.2241062236.

The spelling of 947614649 in words is "nine hundred forty-seven million, six hundred fourteen thousand, six hundred forty-nine".