19097218750 has 28 divisors (see below), whose sum is σ = 35806885416. Its totient is φ = 7638875000.

The previous prime is 19097218747. The next prime is 19097218793. The reversal of 19097218750 is 5781279091.

It is a junction number, because it is equal to n+sod(n) for n = 19097218694 and 19097218703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 274306 + ... + 336805.

Almost surely, 2^19097218750 is an apocalyptic number.

19097218750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19097218750 is a deficient number, since it is larger than the sum of its proper divisors (16709666666).

19097218750 is an frugal number, since it uses more digits than its factorization.

19097218750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611143 (or 611118 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 49.

The spelling of 19097218750 in words is "nineteen billion, ninety-seven million, two hundred eighteen thousand, seven hundred fifty".