3672135857 has 4 divisors (see below), whose sum is σ = 3954607860. Its totient is φ = 3389663856.

The previous prime is 3672135839. The next prime is 3672135937. The reversal of 3672135857 is 7585312763.

3672135857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7585312763 = 7 ⋅1083616109.

It can be written as a sum of positive squares in 2 ways, for example, as 1361314816 + 2310821041 = 36896^2 + 48071^2 .

It is a cyclic number.

It is not a de Polignac number, because 3672135857 - 2⁸ = 3672135601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3672132857) 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, 141235982 + ... + 141236007.

It is an arithmetic number, because the mean of its divisors is an integer number (988651965).

Almost surely, 2^3672135857 is an apocalyptic number.

It is an amenable number.

3672135857 is a deficient number, since it is larger than the sum of its proper divisors (282472003).

3672135857 is a wasteful number, since it uses less digits than its factorization.

3672135857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282472002.

The product of its digits is 1058400, while the sum is 47.

The square root of 3672135857 is about 60598.1506070936. The cubic root of 3672135857 is about 1542.7879806637.

The spelling of 3672135857 in words is "three billion, six hundred seventy-two million, one hundred thirty-five thousand, eight hundred fifty-seven".