2478395597 has 2 divisors, whose sum is σ = 2478395598. Its totient is φ = 2478395596.

The previous prime is 2478395581. The next prime is 2478395599. The reversal of 2478395597 is 7955938742.

2478395597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901483236 + 576912361 = 43606^2 + 24019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478395597 - 2⁴ = 2478395581 is a prime.

It is a super-2 number, since 2×2478395597² = 12284889470457972818, which contains 22 as substring.

Together with 2478395599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478395599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239197798 + 1239197799.

It is an arithmetic number, because the mean of its divisors is an integer number (1239197799).

Almost surely, 2^2478395597 is an apocalyptic number.

It is an amenable number.

2478395597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478395597 is an equidigital number, since it uses as much as digits as its factorization.

2478395597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 59.

The square root of 2478395597 is about 49783.4871920399. The cubic root of 2478395597 is about 1353.2879339536.

The spelling of 2478395597 in words is "two billion, four hundred seventy-eight million, three hundred ninety-five thousand, five hundred ninety-seven".