3925666051 has 4 divisors (see below), whose sum is σ = 3936787272. Its totient is φ = 3914544832.

The previous prime is 3925666049. The next prime is 3925666093. The reversal of 3925666051 is 1506665293.

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

It is a cyclic number.

It is not a de Polignac number, because 3925666051 - 2¹ = 3925666049 is a prime.

It is a super-3 number, since 3×3925666051³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3925665989 and 3925666007.

It is not an unprimeable number, because it can be changed into a prime (3925666001) 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, 5560081 + ... + 5560786.

It is an arithmetic number, because the mean of its divisors is an integer number (984196818).

Almost surely, 2^3925666051 is an apocalyptic number.

3925666051 is a deficient number, since it is larger than the sum of its proper divisors (11121221).

3925666051 is a wasteful number, since it uses less digits than its factorization.

3925666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121220.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 3925666051 is about 62655.1358708925. The cubic root of 3925666051 is about 1577.5063547404.

The spelling of 3925666051 in words is "three billion, nine hundred twenty-five million, six hundred sixty-six thousand, fifty-one".