6976869149 has 4 divisors (see below), whose sum is σ = 7021307964. Its totient is φ = 6932430336.

The previous prime is 6976869143. The next prime is 6976869161. The reversal of 6976869149 is 9419686796.

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 1542525625 + 5434343524 = 39275^2 + 73718^2 .

It is a cyclic number.

It is not a de Polignac number, because 6976869149 - 2²⁴ = 6960091933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6976869143) 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, 22219172 + ... + 22219485.

It is an arithmetic number, because the mean of its divisors is an integer number (1755326991).

Almost surely, 2^6976869149 is an apocalyptic number.

It is an amenable number.

6976869149 is a deficient number, since it is larger than the sum of its proper divisors (44438815).

6976869149 is a wasteful number, since it uses less digits than its factorization.

6976869149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44438814.

The product of its digits is 35271936, while the sum is 65.

The square root of 6976869149 is about 83527.6549952170. The cubic root of 6976869149 is about 1910.8218230898.

The spelling of 6976869149 in words is "six billion, nine hundred seventy-six million, eight hundred sixty-nine thousand, one hundred forty-nine".