19025640975 has 48 divisors (see below), whose sum is σ = 36121438080. Its totient is φ = 8739043200.

The previous prime is 19025640971. The next prime is 19025640989. The reversal of 19025640975 is 57904652091.

It is not a de Polignac number, because 19025640975 - 2² = 19025640971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19025640971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 591204 + ... + 622553.

It is an arithmetic number, because the mean of its divisors is an integer number (752529960).

Almost surely, 2^19025640975 is an apocalyptic number.

19025640975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19025640975 is a deficient number, since it is larger than the sum of its proper divisors (17095797105).

19025640975 is a wasteful number, since it uses less digits than its factorization.

19025640975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213800 (or 1213795 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 19025640975 in words is "nineteen billion, twenty-five million, six hundred forty thousand, nine hundred seventy-five".