947363749 has 2 divisors, whose sum is σ = 947363750. Its totient is φ = 947363748.

The previous prime is 947363723. The next prime is 947363773.

947363749 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570732100 + 376631649 = 23890^2 + 19407^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 947363749 - 2⁷ = 947363621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 947363696 and 947363705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947363149) 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, 473681874 + 473681875.

It is an arithmetic number, because the mean of its divisors is an integer number (473681875).

Almost surely, 2^947363749 is an apocalyptic number.

It is an amenable number.

947363749 is a deficient number, since it is larger than the sum of its proper divisors (1).

947363749 is an equidigital number, since it uses as much as digits as its factorization.

947363749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 52.

The square root of 947363749 is about 30779.2746665674. The cubic root of 947363749 is about 982.1374107222.

The spelling of 947363749 in words is "nine hundred forty-seven million, three hundred sixty-three thousand, seven hundred forty-nine".