2723847947 has 2 divisors, whose sum is σ = 2723847948. Its totient is φ = 2723847946.

The previous prime is 2723847941. The next prime is 2723848003. The reversal of 2723847947 is 7497483272.

2723847947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2723847947 - 2⁸ = 2723847691 is a prime.

It is a super-2 number, since 2×2723847947² = 14838695276752229618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2723847941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361923973 + 1361923974.

It is an arithmetic number, because the mean of its divisors is an integer number (1361923974).

Almost surely, 2^2723847947 is an apocalyptic number.

2723847947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723847947 is an equidigital number, since it uses as much as digits as its factorization.

2723847947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 2723847947 is about 52190.4967115662. The cubic root of 2723847947 is about 1396.5643558196.

The spelling of 2723847947 in words is "two billion, seven hundred twenty-three million, eight hundred forty-seven thousand, nine hundred forty-seven".