19034964636 has 48 divisors (see below), whose sum is σ = 46766428800. Its totient is φ = 6009256512.

The previous prime is 19034964631. The next prime is 19034964643. The reversal of 19034964636 is 63646943091.

It is a super-2 number, since 2×19034964636² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19034964631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905946 + ... + 926718.

It is an arithmetic number, because the mean of its divisors is an integer number (974300600).

Almost surely, 2^19034964636 is an apocalyptic number.

It is an amenable number.

19034964636 is an abundant number, since it is smaller than the sum of its proper divisors (27731464164).

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

19034964636 is a wasteful number, since it uses less digits than its factorization.

19034964636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24818 (or 24816 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 19034964636 in words is "nineteen billion, thirty-four million, nine hundred sixty-four thousand, six hundred thirty-six".