2409148691 has 2 divisors, whose sum is σ = 2409148692. Its totient is φ = 2409148690.

The previous prime is 2409148673. The next prime is 2409148717. The reversal of 2409148691 is 1968419042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2409148691 - 2⁶ = 2409148627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2409148661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204574345 + 1204574346.

It is an arithmetic number, because the mean of its divisors is an integer number (1204574346).

Almost surely, 2^2409148691 is an apocalyptic number.

2409148691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409148691 is an equidigital number, since it uses as much as digits as its factorization.

2409148691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2409148691 is about 49083.0794775552. The cubic root of 2409148691 is about 1340.5649750591.

The spelling of 2409148691 in words is "two billion, four hundred nine million, one hundred forty-eight thousand, six hundred ninety-one".