3925767049 has 4 divisors (see below), whose sum is σ = 3925908736. Its totient is φ = 3925625364.

The previous prime is 3925767047. The next prime is 3925767077. The reversal of 3925767049 is 9407675293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9407675293 = 107 ⋅87922199.

It is a cyclic number.

It is not a de Polignac number, because 3925767049 - 2¹ = 3925767047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3925766987 and 3925767005.

It is not an unprimeable number, because it can be changed into a prime (3925767047) 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, 14169 + ... + 89734.

It is an arithmetic number, because the mean of its divisors is an integer number (981477184).

Almost surely, 2^3925767049 is an apocalyptic number.

It is an amenable number.

3925767049 is a deficient number, since it is larger than the sum of its proper divisors (141687).

3925767049 is a wasteful number, since it uses less digits than its factorization.

3925767049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141686.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The square root of 3925767049 is about 62655.9418491176. The cubic root of 3925767049 is about 1577.5198831132.

The spelling of 3925767049 in words is "three billion, nine hundred twenty-five million, seven hundred sixty-seven thousand, forty-nine".