3465725538 has 64 divisors (see below), whose sum is σ = 7817932800. Its totient is φ = 1014724800.

The previous prime is 3465725489. The next prime is 3465725551. The reversal of 3465725538 is 8355275643.

It is a happy number.

It is a super-2 number, since 2×3465725538² = 24022507009490778888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2039013 + ... + 2040711.

It is an arithmetic number, because the mean of its divisors is an integer number (122155200).

Almost surely, 2^3465725538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3465725538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3908966400).

3465725538 is an abundant number, since it is smaller than the sum of its proper divisors (4352207262).

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

3465725538 is a wasteful number, since it uses less digits than its factorization.

3465725538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its digits is 3024000, while the sum is 48.

The square root of 3465725538 is about 58870.4130952043. The cubic root of 3465725538 is about 1513.3221503677.

The spelling of 3465725538 in words is "three billion, four hundred sixty-five million, seven hundred twenty-five thousand, five hundred thirty-eight".