3539291380 has 48 divisors (see below), whose sum is σ = 7692458256. Its totient is φ = 1366917120.

The previous prime is 3539291333. The next prime is 3539291381. The reversal of 3539291380 is 831929353.

It can be written as a sum of positive squares in 8 ways, for example, as 297355536 + 3241935844 = 17244^2 + 56938^2 .

It is a super-3 number, since 3×3539291380³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539291381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57292 + ... + 101788.

It is an arithmetic number, because the mean of its divisors is an integer number (160259547).

Almost surely, 2^3539291380 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 3539291380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3846229128).

3539291380 is an abundant number, since it is smaller than the sum of its proper divisors (4153166876).

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

3539291380 is a wasteful number, since it uses less digits than its factorization.

3539291380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44644 (or 44642 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 3539291380 is about 59491.9438243532. The cubic root of 3539291380 is about 1523.9548700363.

The spelling of 3539291380 in words is "three billion, five hundred thirty-nine million, two hundred ninety-one thousand, three hundred eighty".