1948765021588 has 96 divisors (see below), whose sum is σ = 4515322855680. Its totient is φ = 712475688960.

The previous prime is 1948765021579. The next prime is 1948765021589. The reversal of 1948765021588 is 8851205678491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948765021589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212328 + ... + 2316736.

It is an arithmetic number, because the mean of its divisors is an integer number (47034613080).

Almost surely, 2^{1948765021588} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1948765021588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257661427840).

1948765021588 is an abundant number, since it is smaller than the sum of its proper divisors (2566557834092).

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

1948765021588 is a wasteful number, since it uses less digits than its factorization.

1948765021588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104785 (or 1104783 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 64.

The spelling of 1948765021588 in words is "one trillion, nine hundred forty-eight billion, seven hundred sixty-five million, twenty-one thousand, five hundred eighty-eight".