3506421130 has 16 divisors (see below), whose sum is σ = 6313091400. Its totient is φ = 1402227712.

The previous prime is 3506421119. The next prime is 3506421131. The reversal of 3506421130 is 311246053.

It can be written as a sum of positive squares in 4 ways, for example, as 1875149809 + 1631271321 = 43303^2 + 40389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3506421095 and 3506421104.

It is not an unprimeable number, because it can be changed into a prime (3506421131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 83794.

Almost surely, 2^3506421130 is an apocalyptic number.

3506421130 is a deficient number, since it is larger than the sum of its proper divisors (2806670270).

3506421130 is a wasteful number, since it uses less digits than its factorization.

3506421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85193.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3506421130 is about 59215.0414168562. The cubic root of 3506421130 is about 1519.2224107353. Note that the first 3 decimals are identical.

Adding to 3506421130 its reverse (311246053), we get a palindrome (3817667183).

The spelling of 3506421130 in words is "three billion, five hundred six million, four hundred twenty-one thousand, one hundred thirty".