39948284993 has 2 divisors, whose sum is σ = 39948284994. Its totient is φ = 39948284992.

The previous prime is 39948284963. The next prime is 39948285077.

39948284993 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22833627664 + 17114657329 = 151108^2 + 130823^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 39948284993 - 2¹⁶ = 39948219457 is a prime.

It is not a weakly prime, because it can be changed into another prime (39948284963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19974142496 + 19974142497.

It is an arithmetic number, because the mean of its divisors is an integer number (19974142497).

Almost surely, 2^39948284993 is an apocalyptic number.

It is an amenable number.

39948284993 is a deficient number, since it is larger than the sum of its proper divisors (1).

39948284993 is an equidigital number, since it uses as much as digits as its factorization.

39948284993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 68.

The spelling of 39948284993 in words is "thirty-nine billion, nine hundred forty-eight million, two hundred eighty-four thousand, nine hundred ninety-three".