2602155859 has 2 divisors, whose sum is σ = 2602155860. Its totient is φ = 2602155858.

The previous prime is 2602155839. The next prime is 2602155901. The reversal of 2602155859 is 9585512062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2602155859 - 2¹¹ = 2602153811 is a prime.

It is a super-2 number, since 2×2602155859² = 13542430229056055762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2602155839) 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, 1301077929 + 1301077930.

It is an arithmetic number, because the mean of its divisors is an integer number (1301077930).

Almost surely, 2^2602155859 is an apocalyptic number.

2602155859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2602155859 is an equidigital number, since it uses as much as digits as its factorization.

2602155859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 2602155859 is about 51011.3306923080. The cubic root of 2602155859 is about 1375.4488203585.

The spelling of 2602155859 in words is "two billion, six hundred two million, one hundred fifty-five thousand, eight hundred fifty-nine".