2149669411 has 2 divisors, whose sum is σ = 2149669412. Its totient is φ = 2149669410.

The previous prime is 2149669387. The next prime is 2149669433. The reversal of 2149669411 is 1149669412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149669411 - 2¹¹ = 2149667363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2149669111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074834705 + 1074834706.

It is an arithmetic number, because the mean of its divisors is an integer number (1074834706).

Almost surely, 2^2149669411 is an apocalyptic number.

2149669411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149669411 is an equidigital number, since it uses as much as digits as its factorization.

2149669411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 2149669411 is about 46364.5275075677. The cubic root of 2149669411 is about 1290.5967255078.

Subtracting from 2149669411 its reverse (1149669412), we obtain a palindrome (999999999).

The spelling of 2149669411 in words is "two billion, one hundred forty-nine million, six hundred sixty-nine thousand, four hundred eleven".