2679643357 has 2 divisors, whose sum is σ = 2679643358. Its totient is φ = 2679643356.

The previous prime is 2679643259. The next prime is 2679643387. The reversal of 2679643357 is 7533469762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1785992121 + 893651236 = 42261^2 + 29894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679643357 - 2⁷ = 2679643229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2679643387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339821678 + 1339821679.

It is an arithmetic number, because the mean of its divisors is an integer number (1339821679).

Almost surely, 2^2679643357 is an apocalyptic number.

It is an amenable number.

2679643357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679643357 is an equidigital number, since it uses as much as digits as its factorization.

2679643357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 52.

The square root of 2679643357 is about 51765.2717272884. The cubic root of 2679643357 is about 1388.9682934758.

The spelling of 2679643357 in words is "two billion, six hundred seventy-nine million, six hundred forty-three thousand, three hundred fifty-seven".