1830648352991 has 2 divisors, whose sum is σ = 1830648352992. Its totient is φ = 1830648352990.

The previous prime is 1830648352963. The next prime is 1830648353057. The reversal of 1830648352991 is 1992538460381.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1830648352991 - 2¹⁰ = 1830648351967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1830648352991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830648352891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915324176495 + 915324176496.

It is an arithmetic number, because the mean of its divisors is an integer number (915324176496).

Almost surely, 2^{1830648352991} is an apocalyptic number.

1830648352991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830648352991 is an equidigital number, since it uses as much as digits as its factorization.

1830648352991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 1830648352991 in words is "one trillion, eight hundred thirty billion, six hundred forty-eight million, three hundred fifty-two thousand, nine hundred ninety-one".