3969025723 has 4 divisors (see below), whose sum is σ = 4274335408. Its totient is φ = 3663716040.

The previous prime is 3969025699. The next prime is 3969025769. The reversal of 3969025723 is 3275209693.

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 3969025723 - 2¹³ = 3969017531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3969025523) 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, 152654823 + ... + 152654848.

It is an arithmetic number, because the mean of its divisors is an integer number (1068583852).

Almost surely, 2^3969025723 is an apocalyptic number.

3969025723 is a deficient number, since it is larger than the sum of its proper divisors (305309685).

3969025723 is a wasteful number, since it uses less digits than its factorization.

3969025723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305309684.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 3969025723 is about 63000.2041504629. The cubic root of 3969025723 is about 1583.2930467854.

The spelling of 3969025723 in words is "three billion, nine hundred sixty-nine million, twenty-five thousand, seven hundred twenty-three".