2124009973 has 2 divisors, whose sum is σ = 2124009974. Its totient is φ = 2124009972.

The previous prime is 2124009959. The next prime is 2124010013. The reversal of 2124009973 is 3799004212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108462724 + 15547249 = 45918^2 + 3943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124009973 is a prime.

It is a super-2 number, since 2×2124009973² = 9022836730806921458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124009913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062004986 + 1062004987.

It is an arithmetic number, because the mean of its divisors is an integer number (1062004987).

Almost surely, 2^2124009973 is an apocalyptic number.

It is an amenable number.

2124009973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124009973 is an equidigital number, since it uses as much as digits as its factorization.

2124009973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2124009973 is about 46086.9826849187. The cubic root of 2124009973 is about 1285.4411064166.

The spelling of 2124009973 in words is "two billion, one hundred twenty-four million, nine thousand, nine hundred seventy-three".