19428101348 has 6 divisors (see below), whose sum is σ = 33999177366. Its totient is φ = 9714050672.

The previous prime is 19428101321. The next prime is 19428101389. The reversal of 19428101348 is 84310182491.

It can be written as a sum of positive squares in only one way, i.e., 19407833344 + 20268004 = 139312^2 + 4502^2 .

It is a super-2 number, since 2×19428101348² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428512665 + ... + 2428512672.

It is an arithmetic number, because the mean of its divisors is an integer number (5666529561).

Almost surely, 2^19428101348 is an apocalyptic number.

It is an amenable number.

19428101348 is a deficient number, since it is larger than the sum of its proper divisors (14571076018).

19428101348 is a wasteful number, since it uses less digits than its factorization.

19428101348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857025341 (or 4857025339 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 19428101348 in words is "nineteen billion, four hundred twenty-eight million, one hundred one thousand, three hundred forty-eight".