2679242897 has 4 divisors (see below), whose sum is σ = 2679628980. Its totient is φ = 2678856816.

The previous prime is 2679242887. The next prime is 2679242963. The reversal of 2679242897 is 7982429762.

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 466387216 + 2212855681 = 21596^2 + 47041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679242897 - 2⁸ = 2679242641 is a prime.

It is a super-2 number, since 2×2679242897² = 14356685002249905218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2679242827) 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 3 ways as a sum of consecutive naturals, for example, 182438 + ... + 196575.

It is an arithmetic number, because the mean of its divisors is an integer number (669907245).

Almost surely, 2^2679242897 is an apocalyptic number.

It is an amenable number.

2679242897 is a deficient number, since it is larger than the sum of its proper divisors (386083).

2679242897 is an equidigital number, since it uses as much as digits as its factorization.

2679242897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386082.

The product of its digits is 6096384, while the sum is 56.

The square root of 2679242897 is about 51761.4035454990. The cubic root of 2679242897 is about 1388.8990984525.

The spelling of 2679242897 in words is "two billion, six hundred seventy-nine million, two hundred forty-two thousand, eight hundred ninety-seven".