381550246507 has 2 divisors, whose sum is σ = 381550246508. Its totient is φ = 381550246506.

The previous prime is 381550246489. The next prime is 381550246531. The reversal of 381550246507 is 705642055183.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381550246507 is a prime.

It is not a weakly prime, because it can be changed into another prime (381550246547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190775123253 + 190775123254.

It is an arithmetic number, because the mean of its divisors is an integer number (190775123254).

Almost surely, 2^381550246507 is an apocalyptic number.

381550246507 is a deficient number, since it is larger than the sum of its proper divisors (1).

381550246507 is an equidigital number, since it uses as much as digits as its factorization.

381550246507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 381550246507 in words is "three hundred eighty-one billion, five hundred fifty million, two hundred forty-six thousand, five hundred seven".