3625693381 has 8 divisors (see below), whose sum is σ = 3843805184. Its totient is φ = 3413903760.

The previous prime is 3625693349. The next prime is 3625693403. The reversal of 3625693381 is 1833965263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3625693381 - 2⁵ = 3625693349 is a prime.

It is a super-2 number, since 2×3625693381² = 26291304986054422322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625693301) 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, 1579365 + ... + 1581658.

It is an arithmetic number, because the mean of its divisors is an integer number (480475648).

Almost surely, 2^3625693381 is an apocalyptic number.

3625693381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3625693381 is a deficient number, since it is larger than the sum of its proper divisors (218111803).

3625693381 is a wasteful number, since it uses less digits than its factorization.

3625693381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161091.

The product of its digits is 699840, while the sum is 46.

The square root of 3625693381 is about 60213.7308344202. The cubic root of 3625693381 is about 1536.2563507878.

The spelling of 3625693381 in words is "three billion, six hundred twenty-five million, six hundred ninety-three thousand, three hundred eighty-one".