3969546379 has 4 divisors (see below), whose sum is σ = 4142135376. Its totient is φ = 3796957384.

The previous prime is 3969546349. The next prime is 3969546397. The reversal of 3969546379 is 9736459693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9736459693 = 19 ⋅512445247.

It is a cyclic number.

It is not a de Polignac number, because 3969546379 - 2¹³ = 3969538187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3969546349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86294464 + ... + 86294509.

It is an arithmetic number, because the mean of its divisors is an integer number (1035533844).

Almost surely, 2^3969546379 is an apocalyptic number.

3969546379 is a deficient number, since it is larger than the sum of its proper divisors (172588997).

3969546379 is a wasteful number, since it uses less digits than its factorization.

3969546379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172588996.

The product of its digits is 33067440, while the sum is 61.

The square root of 3969546379 is about 63004.3361920432. The cubic root of 3969546379 is about 1583.3622757800.

The spelling of 3969546379 in words is "three billion, nine hundred sixty-nine million, five hundred forty-six thousand, three hundred seventy-nine".