19948448007 has 12 divisors (see below), whose sum is σ = 28831466664. Its totient is φ = 13291099920.

The previous prime is 19948447973. The next prime is 19948448011. The reversal of 19948448007 is 70084484991.

19948448007 is a `hidden beast` number, since 199 + 4 + 8 + 448 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 19948448007 - 2⁷ = 19948447879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948248007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639369 + ... + 669842.

It is an arithmetic number, because the mean of its divisors is an integer number (2402622222).

Almost surely, 2^19948448007 is an apocalyptic number.

19948448007 is a deficient number, since it is larger than the sum of its proper divisors (8883018657).

19948448007 is a wasteful number, since it uses less digits than its factorization.

19948448007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310910 (or 1310907 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 19948448007 in words is "nineteen billion, nine hundred forty-eight million, four hundred forty-eight thousand, seven".