947472619 has 2 divisors, whose sum is σ = 947472620. Its totient is φ = 947472618.

The previous prime is 947472613. The next prime is 947472629. The reversal of 947472619 is 916274749.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 947472619 - 2¹⁷ = 947341547 is a prime.

It is a super-2 number, since 2×947472619² = 1795408727509438322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (947472613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473736309 + 473736310.

It is an arithmetic number, because the mean of its divisors is an integer number (473736310).

Almost surely, 2^947472619 is an apocalyptic number.

947472619 is a deficient number, since it is larger than the sum of its proper divisors (1).

947472619 is an equidigital number, since it uses as much as digits as its factorization.

947472619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 947472619 is about 30781.0431759549. The cubic root of 947472619 is about 982.1750313315.

The spelling of 947472619 in words is "nine hundred forty-seven million, four hundred seventy-two thousand, six hundred nineteen".