19072938612 has 96 divisors (see below), whose sum is σ = 55015575552. Its totient is φ = 5008000896.

The previous prime is 19072938611. The next prime is 19072938629. The reversal of 19072938612 is 21683927091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19072938611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209413 + ... + 286355.

It is an arithmetic number, because the mean of its divisors is an integer number (573078912).

Almost surely, 2^19072938612 is an apocalyptic number.

19072938612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19072938612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27507787776).

19072938612 is an abundant number, since it is smaller than the sum of its proper divisors (35942636940).

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

19072938612 is a wasteful number, since it uses less digits than its factorization.

19072938612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77197 (or 77195 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 19072938612 in words is "nineteen billion, seventy-two million, nine hundred thirty-eight thousand, six hundred twelve".