2149641067 has 8 divisors (see below), whose sum is σ = 2457202176. Its totient is φ = 1842197352.

The previous prime is 2149641047. The next prime is 2149641071. The reversal of 2149641067 is 7601469412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149641067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149641047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14208 + ... + 67090.

It is an arithmetic number, because the mean of its divisors is an integer number (307150272).

Almost surely, 2^2149641067 is an apocalyptic number.

2149641067 is a deficient number, since it is larger than the sum of its proper divisors (307561109).

2149641067 is an equidigital number, since it uses as much as digits as its factorization.

2149641067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58697.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2149641067 is about 46364.2218418470. The cubic root of 2149641067 is about 1290.5910531885.

The spelling of 2149641067 in words is "two billion, one hundred forty-nine million, six hundred forty-one thousand, sixty-seven".