19210985094 has 16 divisors (see below), whose sum is σ = 43910823168. Its totient is φ = 5488852872.

The previous prime is 19210985089. The next prime is 19210985111. The reversal of 19210985094 is 49058901291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228702162 + ... + 228702245.

It is an arithmetic number, because the mean of its divisors is an integer number (2744426448).

Almost surely, 2^19210985094 is an apocalyptic number.

19210985094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19210985094 is an abundant number, since it is smaller than the sum of its proper divisors (24699838074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19210985094 is a wasteful number, since it uses less digits than its factorization.

19210985094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457404419.

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 19210985094 in words is "nineteen billion, two hundred ten million, nine hundred eighty-five thousand, ninety-four".