19094827388 has 48 divisors (see below), whose sum is σ = 41138926080. Its totient is φ = 7551866304.

The previous prime is 19094827373. The next prime is 19094827393. The reversal of 19094827388 is 88372849091.

It is a super-2 number, since 2×19094827388² (a number of 21 digits) contains 22 as substring.

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, 2135495 + ... + 2144417.

It is an arithmetic number, because the mean of its divisors is an integer number (857060960).

Almost surely, 2^19094827388 is an apocalyptic number.

It is an amenable number.

19094827388 is an abundant number, since it is smaller than the sum of its proper divisors (22044098692).

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

19094827388 is a wasteful number, since it uses less digits than its factorization.

19094827388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14826 (or 14824 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 19094827388 in words is "nineteen billion, ninety-four million, eight hundred twenty-seven thousand, three hundred eighty-eight".