1995955463 has 2 divisors, whose sum is σ = 1995955464. Its totient is φ = 1995955462.

The previous prime is 1995955459. The next prime is 1995955469. The reversal of 1995955463 is 3645595991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1995955463 - 2² = 1995955459 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1995955399 and 1995955408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1995955469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997977731 + 997977732.

It is an arithmetic number, because the mean of its divisors is an integer number (997977732).

Almost surely, 2^1995955463 is an apocalyptic number.

1995955463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995955463 is an equidigital number, since it uses as much as digits as its factorization.

1995955463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6561000, while the sum is 56.

The square root of 1995955463 is about 44676.1173671124. The cubic root of 1995955463 is about 1259.0711771963.

The spelling of 1995955463 in words is "one billion, nine hundred ninety-five million, nine hundred fifty-five thousand, four hundred sixty-three".