19634700316 has 48 divisors (see below), whose sum is σ = 42852886272. Its totient is φ = 7647465600.

The previous prime is 19634700311. The next prime is 19634700331. The reversal of 19634700316 is 61300743691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19634700311) 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, 1202640 + ... + 1218856.

It is an arithmetic number, because the mean of its divisors is an integer number (892768464).

Almost surely, 2^19634700316 is an apocalyptic number.

It is an amenable number.

19634700316 is an abundant number, since it is smaller than the sum of its proper divisors (23218185956).

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

19634700316 is a wasteful number, since it uses less digits than its factorization.

19634700316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170 (or 20168 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 19634700316 in words is "nineteen billion, six hundred thirty-four million, seven hundred thousand, three hundred sixteen".