3506453620 has 12 divisors (see below), whose sum is σ = 7363552644. Its totient is φ = 1402581440.

The previous prime is 3506453567. The next prime is 3506453627. The reversal of 3506453620 is 263546053.

It can be written as a sum of positive squares in 2 ways, for example, as 559700964 + 2946752656 = 23658^2 + 54284^2 .

It is a super-3 number, since 3×3506453620³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506453627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87661321 + ... + 87661360.

It is an arithmetic number, because the mean of its divisors is an integer number (613629387).

Almost surely, 2^3506453620 is an apocalyptic number.

It is an amenable number.

3506453620 is an abundant number, since it is smaller than the sum of its proper divisors (3857099024).

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

3506453620 is a wasteful number, since it uses less digits than its factorization.

3506453620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175322690 (or 175322688 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 3506453620 is about 59215.3157553010. The cubic root of 3506453620 is about 1519.2271030205.

Adding to 3506453620 its reverse (263546053), we get a palindrome (3769999673).

The spelling of 3506453620 in words is "three billion, five hundred six million, four hundred fifty-three thousand, six hundred twenty".