3681750629 has 4 divisors (see below), whose sum is σ = 3751217676. Its totient is φ = 3612283584.

The previous prime is 3681750563. The next prime is 3681750643. The reversal of 3681750629 is 9260571863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2414248225 + 1267502404 = 49135^2 + 35602^2 .

It is a cyclic number.

It is not a de Polignac number, because 3681750629 - 2¹⁶ = 3681685093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681750649) 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, 34733444 + ... + 34733549.

It is an arithmetic number, because the mean of its divisors is an integer number (937804419).

Almost surely, 2^3681750629 is an apocalyptic number.

It is an amenable number.

3681750629 is a deficient number, since it is larger than the sum of its proper divisors (69467047).

3681750629 is an equidigital number, since it uses as much as digits as its factorization.

3681750629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69467046.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 3681750629 is about 60677.4309690185. The cubic root of 3681750629 is about 1544.1333037307.

The spelling of 3681750629 in words is "three billion, six hundred eighty-one million, seven hundred fifty thousand, six hundred twenty-nine".