2947275973 has 2 divisors, whose sum is σ = 2947275974. Its totient is φ = 2947275972.

The previous prime is 2947275971. The next prime is 2947275977. The reversal of 2947275973 is 3795727492.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1488570724 + 1458705249 = 38582^2 + 38193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947275973 - 2¹ = 2947275971 is a prime.

It is a super-2 number, since 2×2947275973² = 17372871322046193458, which contains 22 as substring.

Together with 2947275971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947275971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473637986 + 1473637987.

It is an arithmetic number, because the mean of its divisors is an integer number (1473637987).

Almost surely, 2^2947275973 is an apocalyptic number.

It is an amenable number.

2947275973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947275973 is an equidigital number, since it uses as much as digits as its factorization.

2947275973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 55.

The square root of 2947275973 is about 54288.8199632300. The cubic root of 2947275973 is about 1433.7505622160.

It can be divided in two parts, 294727 and 5973, that added together give a triangular number (300700 = T₇₇₅).

The spelling of 2947275973 in words is "two billion, nine hundred forty-seven million, two hundred seventy-five thousand, nine hundred seventy-three".