2949388369 has 4 divisors (see below), whose sum is σ = 2997739060. Its totient is φ = 2901037680.

The previous prime is 2949388357. The next prime is 2949388433. The reversal of 2949388369 is 9638839492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234457344 + 2714931025 = 15312^2 + 52105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2949388369 - 2²⁵ = 2915833937 is a prime.

It is a super-2 number, since 2×2949388369² = 17397783502384960322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 48350629 = 2949388369 / (2 + 9 + 4 + 9 + 3 + 8 + 8 + 3 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2949389369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24175254 + ... + 24175375.

It is an arithmetic number, because the mean of its divisors is an integer number (749434765).

Almost surely, 2^2949388369 is an apocalyptic number.

It is an amenable number.

2949388369 is a deficient number, since it is larger than the sum of its proper divisors (48350691).

2949388369 is an equidigital number, since it uses as much as digits as its factorization.

2949388369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48350690.

The product of its digits is 20155392, while the sum is 61.

The square root of 2949388369 is about 54308.2716443821. The cubic root of 2949388369 is about 1434.0930169318.

The spelling of 2949388369 in words is "two billion, nine hundred forty-nine million, three hundred eighty-eight thousand, three hundred sixty-nine".