1934215159338 has 576 divisors, whose sum is σ = 6028390158336. Its totient is φ = 457555392000.

The previous prime is 1934215159333. The next prime is 1934215159361. The reversal of 1934215159338 is 8339515124391.

It is a happy number.

1934215159338 is a `hidden beast` number, since 1 + 9 + 3 + 4 + 2 + 1 + 515 + 93 + 38 = 666.

It is a super-2 number, since 2×1934215159338² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1934215159333) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 138042753 + ... + 138056763.

It is an arithmetic number, because the mean of its divisors is an integer number (10465955136).

Almost surely, 2^{1934215159338} is an apocalyptic number.

1934215159338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1934215159338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014195079168).

1934215159338 is an abundant number, since it is smaller than the sum of its proper divisors (4094174998998).

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

1934215159338 is a wasteful number, since it uses less digits than its factorization.

1934215159338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101 (or 14082 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 1934215159338 in words is "one trillion, nine hundred thirty-four billion, two hundred fifteen million, one hundred fifty-nine thousand, three hundred thirty-eight".