19055713950 has 576 divisors, whose sum is σ = 68947587072. Its totient is φ = 3657830400.

The previous prime is 19055713949. The next prime is 19055713961. The reversal of 19055713950 is 5931755091.

19055713950 is a `hidden beast` number, since 1 + 9 + 0 + 557 + 1 + 3 + 95 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 19055713896 and 19055713905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 21580209 + ... + 21581091.

It is an arithmetic number, because the mean of its divisors is an integer number (119700672).

Almost surely, 2^19055713950 is an apocalyptic number.

19055713950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19055713950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473793536).

19055713950 is an abundant number, since it is smaller than the sum of its proper divisors (49891873122).

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

19055713950 is a wasteful number, since it uses less digits than its factorization.

19055713950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 45.

The spelling of 19055713950 in words is "nineteen billion, fifty-five million, seven hundred thirteen thousand, nine hundred fifty".