19171428602 has 16 divisors (see below), whose sum is σ = 31586794560. Its totient is φ = 8686367712.

The previous prime is 19171428599. The next prime is 19171428607. The reversal of 19171428602 is 20682417191.

It is a self number, because there is not a number n which added to its sum of digits gives 19171428602.

It is not an unprimeable number, because it can be changed into a prime (19171428607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10966763 + ... + 10968510.

It is an arithmetic number, because the mean of its divisors is an integer number (1974174660).

Almost surely, 2^19171428602 is an apocalyptic number.

19171428602 is a deficient number, since it is larger than the sum of its proper divisors (12415365958).

19171428602 is a wasteful number, since it uses less digits than its factorization.

19171428602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21935317.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 19171428602 in words is "nineteen billion, one hundred seventy-one million, four hundred twenty-eight thousand, six hundred two".