19242669590 has 16 divisors (see below), whose sum is σ = 34672275072. Its totient is φ = 7689185664.

The previous prime is 19242669569. The next prime is 19242669623. The reversal of 19242669590 is 9596624291.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975014 + ... + 994553.

It is an arithmetic number, because the mean of its divisors is an integer number (2167017192).

Almost surely, 2^19242669590 is an apocalyptic number.

19242669590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19242669590 is a deficient number, since it is larger than the sum of its proper divisors (15429605482).

19242669590 is a wasteful number, since it uses less digits than its factorization.

19242669590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970551.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 19242669590 in words is "nineteen billion, two hundred forty-two million, six hundred sixty-nine thousand, five hundred ninety".