2409691541 has 2 divisors, whose sum is σ = 2409691542. Its totient is φ = 2409691540.

The previous prime is 2409691517. The next prime is 2409691547. The reversal of 2409691541 is 1451969042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2357490916 + 52200625 = 48554^2 + 7225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2409691541 is a prime.

It is a super-2 number, since 2×2409691541² = 11613226645533909362, 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 (2409691547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204845770 + 1204845771.

It is an arithmetic number, because the mean of its divisors is an integer number (1204845771).

Almost surely, 2^2409691541 is an apocalyptic number.

It is an amenable number.

2409691541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409691541 is an equidigital number, since it uses as much as digits as its factorization.

2409691541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2409691541 is about 49088.6090758335. The cubic root of 2409691541 is about 1340.6656566882.

The spelling of 2409691541 in words is "two billion, four hundred nine million, six hundred ninety-one thousand, five hundred forty-one".