2678411357 has 2 divisors, whose sum is σ = 2678411358. Its totient is φ = 2678411356.

The previous prime is 2678411321. The next prime is 2678411401. The reversal of 2678411357 is 7531148762.

It is an a-pointer prime, because the next prime (2678411401) can be obtained adding 2678411357 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377077881 + 1301333476 = 37109^2 + 36074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678411357 - 2⁶ = 2678411293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678411317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339205678 + 1339205679.

It is an arithmetic number, because the mean of its divisors is an integer number (1339205679).

Almost surely, 2^2678411357 is an apocalyptic number.

It is an amenable number.

2678411357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678411357 is an equidigital number, since it uses as much as digits as its factorization.

2678411357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 2678411357 is about 51753.3704892734. The cubic root of 2678411357 is about 1388.7553955852.

The spelling of 2678411357 in words is "two billion, six hundred seventy-eight million, four hundred eleven thousand, three hundred fifty-seven".