6361520863 has 2 divisors, whose sum is σ = 6361520864. Its totient is φ = 6361520862.

The previous prime is 6361520857. The next prime is 6361520873. The reversal of 6361520863 is 3680251636.

6361520863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6361520863 - 2⁹ = 6361520351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6361520873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3180760431 + 3180760432.

It is an arithmetic number, because the mean of its divisors is an integer number (3180760432).

Almost surely, 2^6361520863 is an apocalyptic number.

6361520863 is a deficient number, since it is larger than the sum of its proper divisors (1).

6361520863 is an equidigital number, since it uses as much as digits as its factorization.

6361520863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6361520863 is about 79759.1428176106. The cubic root of 6361520863 is about 1852.9071276561.

The spelling of 6361520863 in words is "six billion, three hundred sixty-one million, five hundred twenty thousand, eight hundred sixty-three".