19242152425 has 6 divisors (see below), whose sum is σ = 23860269038. Its totient is φ = 15393721920.

The previous prime is 19242152407. The next prime is 19242152519. The reversal of 19242152425 is 52425124291.

It can be written as a sum of positive squares in 3 ways, for example, as 2141097984 + 17101054441 = 46272^2 + 130771^2 .

It is not a de Polignac number, because 19242152425 - 2⁵ = 19242152393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384843024 + ... + 384843073.

Almost surely, 2^19242152425 is an apocalyptic number.

It is an amenable number.

19242152425 is a deficient number, since it is larger than the sum of its proper divisors (4618116613).

19242152425 is an equidigital number, since it uses as much as digits as its factorization.

19242152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769686107 (or 769686102 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The spelling of 19242152425 in words is "nineteen billion, two hundred forty-two million, one hundred fifty-two thousand, four hundred twenty-five".