19085747750 has 32 divisors (see below), whose sum is σ = 36334116000. Its totient is φ = 7504898400.

The previous prime is 19085747677. The next prime is 19085747767. The reversal of 19085747750 is 5774758091.

It is a junction number, because it is equal to n+sod(n) for n = 19085747692 and 19085747701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632225 + ... + 661724.

It is an arithmetic number, because the mean of its divisors is an integer number (1135441125).

Almost surely, 2^19085747750 is an apocalyptic number.

19085747750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19085747750 is a deficient number, since it is larger than the sum of its proper divisors (17248368250).

19085747750 is a wasteful number, since it uses less digits than its factorization.

19085747750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294025 (or 1294015 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 19085747750 in words is "nineteen billion, eighty-five million, seven hundred forty-seven thousand, seven hundred fifty".