2620390079 has 2 divisors, whose sum is σ = 2620390080. Its totient is φ = 2620390078.

The previous prime is 2620390067. The next prime is 2620390093. The reversal of 2620390079 is 9700930262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2620390079 - 2¹² = 2620385983 is a prime.

It is a super-2 number, since 2×2620390079² = 13732888332243252482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620390679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310195039 + 1310195040.

It is an arithmetic number, because the mean of its divisors is an integer number (1310195040).

Almost surely, 2^2620390079 is an apocalyptic number.

2620390079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620390079 is an equidigital number, since it uses as much as digits as its factorization.

2620390079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 2620390079 is about 51189.7458384001. The cubic root of 2620390079 is about 1378.6540961292.

The spelling of 2620390079 in words is "two billion, six hundred twenty million, three hundred ninety thousand, seventy-nine".