3935628145 has 4 divisors (see below), whose sum is σ = 4722753780. Its totient is φ = 3148502512.

The previous prime is 3935628131. The next prime is 3935628167. The reversal of 3935628145 is 5418265393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5418265393 = 11113 ⋅487561.

It can be written as a sum of positive squares in 2 ways, for example, as 3001286656 + 934341489 = 54784^2 + 30567^2 .

It is a cyclic number.

It is not a de Polignac number, because 3935628145 - 2²⁹ = 3398757233 is a prime.

It is a super-2 number, since 2×3935628145² = 30978337791432282050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3935628095 and 3935628104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393562810 + ... + 393562819.

It is an arithmetic number, because the mean of its divisors is an integer number (1180688445).

Almost surely, 2^3935628145 is an apocalyptic number.

It is an amenable number.

3935628145 is a deficient number, since it is larger than the sum of its proper divisors (787125635).

3935628145 is an equidigital number, since it uses as much as digits as its factorization.

3935628145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787125634.

The product of its digits is 777600, while the sum is 46.

The square root of 3935628145 is about 62734.5849193250. The cubic root of 3935628145 is about 1578.8396309832.

The spelling of 3935628145 in words is "three billion, nine hundred thirty-five million, six hundred twenty-eight thousand, one hundred forty-five".