2678411401 has 2 divisors, whose sum is σ = 2678411402. Its totient is φ = 2678411400.

The previous prime is 2678411357. The next prime is 2678411429. The reversal of 2678411401 is 1041148762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2555201401 + 123210000 = 50549^2 + 11100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678411401 - 2¹³ = 2678403209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2678411441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339205700 + 1339205701.

It is an arithmetic number, because the mean of its divisors is an integer number (1339205701).

Almost surely, 2^2678411401 is an apocalyptic number.

It is an amenable number.

2678411401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678411401 is an equidigital number, since it uses as much as digits as its factorization.

2678411401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2678411401 is about 51753.3709143665. The cubic root of 2678411401 is about 1388.7554031899.

The spelling of 2678411401 in words is "two billion, six hundred seventy-eight million, four hundred eleven thousand, four hundred one".