2973661487 has 2 divisors, whose sum is σ = 2973661488. Its totient is φ = 2973661486.

The previous prime is 2973661477. The next prime is 2973661499. The reversal of 2973661487 is 7841663792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2973661487 - 2⁶ = 2973661423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2973661417) 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, 1486830743 + 1486830744.

It is an arithmetic number, because the mean of its divisors is an integer number (1486830744).

Almost surely, 2^2973661487 is an apocalyptic number.

2973661487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2973661487 is an equidigital number, since it uses as much as digits as its factorization.

2973661487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 2973661487 is about 54531.2890641694. The cubic root of 2973661487 is about 1438.0164122371.

The spelling of 2973661487 in words is "two billion, nine hundred seventy-three million, six hundred sixty-one thousand, four hundred eighty-seven".