3969892545 has 8 divisors (see below), whose sum is σ = 6351828096. Its totient is φ = 2117276016.

The previous prime is 3969892543. The next prime is 3969892559. The reversal of 3969892545 is 5452989693.

3969892545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3969892545 - 2¹ = 3969892543 is a prime.

It is a super-4 number, since 4×3969892545⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3969892543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132329737 + ... + 132329766.

It is an arithmetic number, because the mean of its divisors is an integer number (793978512).

Almost surely, 2^3969892545 is an apocalyptic number.

It is an amenable number.

3969892545 is a deficient number, since it is larger than the sum of its proper divisors (2381935551).

3969892545 is a wasteful number, since it uses less digits than its factorization.

3969892545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264659511.

The product of its digits is 20995200, while the sum is 60.

The square root of 3969892545 is about 63007.0832922775. The cubic root of 3969892545 is about 1583.4083003716.

The spelling of 3969892545 in words is "three billion, nine hundred sixty-nine million, eight hundred ninety-two thousand, five hundred forty-five".