19612375000 has 56 divisors (see below), whose sum is σ = 45966208500. Its totient is φ = 7844900000.

The previous prime is 19612374979. The next prime is 19612375009. The reversal of 19612375000 is 57321691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19612375009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46551 + ... + 203449.

Almost surely, 2^19612375000 is an apocalyptic number.

19612375000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19612375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22983104250).

19612375000 is an abundant number, since it is smaller than the sum of its proper divisors (26353833500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19612375000 is an frugal number, since it uses more digits than its factorization.

19612375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156935 (or 156906 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

Adding to 19612375000 its reverse (57321691), we get a palindrome (19669696691).

The spelling of 19612375000 in words is "nineteen billion, six hundred twelve million, three hundred seventy-five thousand".