19614315252 has 36 divisors (see below), whose sum is σ = 53238857280. Its totient is φ = 5604089904.

The previous prime is 19614315251. The next prime is 19614315283. The reversal of 19614315252 is 25251341691.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19614315252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19614315251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16678252 + ... + 16679427.

Almost surely, 2^19614315252 is an apocalyptic number.

19614315252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19614315252 is an abundant number, since it is smaller than the sum of its proper divisors (33624542028).

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

19614315252 is a wasteful number, since it uses less digits than its factorization.

19614315252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33357700 (or 33357691 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The spelling of 19614315252 in words is "nineteen billion, six hundred fourteen million, three hundred fifteen thousand, two hundred fifty-two".