2124024509 has 2 divisors, whose sum is σ = 2124024510. Its totient is φ = 2124024508.

The previous prime is 2124024473. The next prime is 2124024541. The reversal of 2124024509 is 9054204212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2000325625 + 123698884 = 44725^2 + 11122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124024509 - 2¹² = 2124020413 is a prime.

It is a super-2 number, since 2×2124024509² = 9022960229665382162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124024589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062012254 + 1062012255.

It is an arithmetic number, because the mean of its divisors is an integer number (1062012255).

Almost surely, 2^2124024509 is an apocalyptic number.

It is an amenable number.

2124024509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124024509 is an equidigital number, since it uses as much as digits as its factorization.

2124024509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2124024509 is about 46087.1403864462. The cubic root of 2124024509 is about 1285.4440387834. Note that the first 3 decimals are identical.

The spelling of 2124024509 in words is "two billion, one hundred twenty-four million, twenty-four thousand, five hundred nine".