19429618359 has 16 divisors (see below), whose sum is σ = 27701641440. Its totient is φ = 12070425600.

The previous prime is 19429618357. The next prime is 19429618363. The reversal of 19429618359 is 95381692491.

It is not a de Polignac number, because 19429618359 - 2¹ = 19429618357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19429618299 and 19429618308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429618357) 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, 1880854 + ... + 1891155.

It is an arithmetic number, because the mean of its divisors is an integer number (1731352590).

Almost surely, 2^19429618359 is an apocalyptic number.

19429618359 is a deficient number, since it is larger than the sum of its proper divisors (8272023081).

19429618359 is a wasteful number, since it uses less digits than its factorization.

19429618359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772130.

The product of its digits is 4199040, while the sum is 57.

The spelling of 19429618359 in words is "nineteen billion, four hundred twenty-nine million, six hundred eighteen thousand, three hundred fifty-nine".