947472629 has 2 divisors, whose sum is σ = 947472630. Its totient is φ = 947472628.

The previous prime is 947472619. The next prime is 947472641. The reversal of 947472629 is 926274749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898500625 + 48972004 = 29975^2 + 6998^2 .

It is an emirp because it is prime and its reverse (926274749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 947472629 - 2⁴ = 947472613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947472619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473736314 + 473736315.

It is an arithmetic number, because the mean of its divisors is an integer number (473736315).

Almost surely, 2^947472629 is an apocalyptic number.

It is an amenable number.

947472629 is a deficient number, since it is larger than the sum of its proper divisors (1).

947472629 is an equidigital number, since it uses as much as digits as its factorization.

947472629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 947472629 is about 30781.0433383925. The cubic root of 947472629 is about 982.1750347869.

The spelling of 947472629 in words is "nine hundred forty-seven million, four hundred seventy-two thousand, six hundred twenty-nine".