3625681830 has 32 divisors (see below), whose sum is σ = 8715472128. Its totient is φ = 965311200.

The previous prime is 3625681769. The next prime is 3625681867. The reversal of 3625681830 is 381865263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76836 + ... + 114695.

It is an arithmetic number, because the mean of its divisors is an integer number (272358504).

Almost surely, 2^3625681830 is an apocalyptic number.

3625681830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3625681830 is an abundant number, since it is smaller than the sum of its proper divisors (5089790298).

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

3625681830 is a wasteful number, since it uses less digits than its factorization.

3625681830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192172.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3625681830 is about 60213.6349176829. The cubic root of 3625681830 is about 1536.2547193467.

The spelling of 3625681830 in words is "three billion, six hundred twenty-five million, six hundred eighty-one thousand, eight hundred thirty".