2642028079 has 2 divisors, whose sum is σ = 2642028080. Its totient is φ = 2642028078.

The previous prime is 2642028013. The next prime is 2642028097. The reversal of 2642028079 is 9708202462.

Together with next prime (2642028097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2642028079 - 2¹⁵ = 2641995311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642028379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321014039 + 1321014040.

It is an arithmetic number, because the mean of its divisors is an integer number (1321014040).

Almost surely, 2^2642028079 is an apocalyptic number.

2642028079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642028079 is an equidigital number, since it uses as much as digits as its factorization.

2642028079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2642028079 is about 51400.6622428155. The cubic root of 2642028079 is about 1382.4384666327.

The spelling of 2642028079 in words is "two billion, six hundred forty-two million, twenty-eight thousand, seventy-nine".