19976304975 has 24 divisors (see below), whose sum is σ = 36029991552. Its totient is φ = 9685480800.

The previous prime is 19976304919. The next prime is 19976304979. The reversal of 19976304975 is 57940367991.

It is not a de Polignac number, because 19976304975 - 2¹² = 19976300879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19976304979) 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 in 23 ways as a sum of consecutive naturals, for example, 12106027 + ... + 12107676.

It is an arithmetic number, because the mean of its divisors is an integer number (1501249648).

Almost surely, 2^19976304975 is an apocalyptic number.

19976304975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19976304975 is a deficient number, since it is larger than the sum of its proper divisors (16053686577).

19976304975 is a wasteful number, since it uses less digits than its factorization.

19976304975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213727 (or 24213722 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 60.

The spelling of 19976304975 in words is "nineteen billion, nine hundred seventy-six million, three hundred four thousand, nine hundred seventy-five".