3609771630 has 64 divisors (see below), whose sum is σ = 8835886080. Its totient is φ = 943542144.

The previous prime is 3609771589. The next prime is 3609771631. The reversal of 3609771630 is 361779063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609771631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646812 + ... + 652368.

It is an arithmetic number, because the mean of its divisors is an integer number (138060720).

Almost surely, 2^3609771630 is an apocalyptic number.

3609771630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609771630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4417943040).

3609771630 is an abundant number, since it is smaller than the sum of its proper divisors (5226114450).

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

3609771630 is a wasteful number, since it uses less digits than its factorization.

3609771630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 3609771630 is about 60081.3750674866. The cubic root of 3609771630 is about 1534.0042957791.

The spelling of 3609771630 in words is "three billion, six hundred nine million, seven hundred seventy-one thousand, six hundred thirty".