19485952875 has 96 divisors (see below), whose sum is σ = 37242256896. Its totient is φ = 9784800000.

The previous prime is 19485952841. The next prime is 19485952877. The reversal of 19485952875 is 57825958491.

19485952875 is a `hidden beast` number, since 19 + 4 + 8 + 595 + 28 + 7 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-19485952875 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19485952877) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1282825 + ... + 1297925.

It is an arithmetic number, because the mean of its divisors is an integer number (387940176).

Almost surely, 2^19485952875 is an apocalyptic number.

19485952875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19485952875 is a deficient number, since it is larger than the sum of its proper divisors (17756304021).

19485952875 is a wasteful number, since it uses less digits than its factorization.

19485952875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15177 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 63.

The spelling of 19485952875 in words is "nineteen billion, four hundred eighty-five million, nine hundred fifty-two thousand, eight hundred seventy-five".