2536378447 has 2 divisors, whose sum is σ = 2536378448. Its totient is φ = 2536378446.

The previous prime is 2536378391. The next prime is 2536378459. The reversal of 2536378447 is 7448736352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2536378447 - 2⁷ = 2536378319 is a prime.

It is a super-2 number, since 2×2536378447² = 12866431252812263618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2536378447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2536378487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268189223 + 1268189224.

It is an arithmetic number, because the mean of its divisors is an integer number (1268189224).

Almost surely, 2^2536378447 is an apocalyptic number.

2536378447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536378447 is an equidigital number, since it uses as much as digits as its factorization.

2536378447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 49.

The square root of 2536378447 is about 50362.4706204928. The cubic root of 2536378447 is about 1363.7602194514.

The spelling of 2536378447 in words is "two billion, five hundred thirty-six million, three hundred seventy-eight thousand, four hundred forty-seven".