19355162468 has 12 divisors (see below), whose sum is σ = 33962345340. Its totient is φ = 9651635232.

The previous prime is 19355162467. The next prime is 19355162471. The reversal of 19355162468 is 86426155391.

It can be written as a sum of positive squares in 2 ways, for example, as 13631029504 + 5724132964 = 116752^2 + 75658^2 .

It is not an unprimeable number, because it can be changed into a prime (19355162461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6484823 + ... + 6487806.

It is an arithmetic number, because the mean of its divisors is an integer number (2830195445).

Almost surely, 2^19355162468 is an apocalyptic number.

It is an amenable number.

19355162468 is a deficient number, since it is larger than the sum of its proper divisors (14607182872).

19355162468 is a wasteful number, since it uses less digits than its factorization.

19355162468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973006 (or 12973004 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 19355162468 in words is "nineteen billion, three hundred fifty-five million, one hundred sixty-two thousand, four hundred sixty-eight".