6378253537 has 2 divisors, whose sum is σ = 6378253538. Its totient is φ = 6378253536.

The previous prime is 6378253523. The next prime is 6378253543. The reversal of 6378253537 is 7353528736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5067161856 + 1311091681 = 71184^2 + 36209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6378253537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6378253517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189126768 + 3189126769.

It is an arithmetic number, because the mean of its divisors is an integer number (3189126769).

Almost surely, 2^6378253537 is an apocalyptic number.

It is an amenable number.

6378253537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6378253537 is an equidigital number, since it uses as much as digits as its factorization.

6378253537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 49.

The square root of 6378253537 is about 79863.9689534649. The cubic root of 6378253537 is about 1854.5302692466.

The spelling of 6378253537 in words is "six billion, three hundred seventy-eight million, two hundred fifty-three thousand, five hundred thirty-seven".