1019745149500 has 288 divisors, whose sum is σ = 2852751073536. Its totient is φ = 314863248000.

The previous prime is 1019745149477. The next prime is 1019745149581. The reversal of 1019745149500 is 59415479101.

1019745149500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28818819 + ... + 28854181.

It is an arithmetic number, because the mean of its divisors is an integer number (9905385672).

Almost surely, 2^{1019745149500} is an apocalyptic number.

1019745149500 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 1019745149500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426375536768).

1019745149500 is an abundant number, since it is smaller than the sum of its proper divisors (1833005924036).

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

1019745149500 is a wasteful number, since it uses less digits than its factorization.

1019745149500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35514 (or 35495 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 1019745149500 in words is "one trillion, nineteen billion, seven hundred forty-five million, one hundred forty-nine thousand, five hundred".