1951984063 has 2 divisors, whose sum is σ = 1951984064. Its totient is φ = 1951984062.

The previous prime is 1951984049. The next prime is 1951984109. The reversal of 1951984063 is 3604891591.

It is an a-pointer prime, because the next prime (1951984109) can be obtained adding 1951984063 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1951984063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951984163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975992031 + 975992032.

It is an arithmetic number, because the mean of its divisors is an integer number (975992032).

Almost surely, 2^1951984063 is an apocalyptic number.

1951984063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951984063 is an equidigital number, since it uses as much as digits as its factorization.

1951984063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1951984063 is about 44181.2637098578. The cubic root of 1951984063 is about 1249.7565526965.

The spelling of 1951984063 in words is "one billion, nine hundred fifty-one million, nine hundred eighty-four thousand, sixty-three".