19706121348 has 24 divisors (see below), whose sum is σ = 45983257152. Its totient is φ = 6568377504.

The previous prime is 19706121307. The next prime is 19706121349. The reversal of 19706121348 is 84312160791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19706121349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380761 + ... + 429407.

It is an arithmetic number, because the mean of its divisors is an integer number (1915969048).

Almost surely, 2^19706121348 is an apocalyptic number.

It is an amenable number.

19706121348 is an abundant number, since it is smaller than the sum of its proper divisors (26277135804).

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

19706121348 is a wasteful number, since it uses less digits than its factorization.

19706121348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82411 (or 82409 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 19706121348 in words is "nineteen billion, seven hundred six million, one hundred twenty-one thousand, three hundred forty-eight".