3942526889 has 4 divisors (see below), whose sum is σ = 4505745024. Its totient is φ = 3379308756.

The previous prime is 3942526877. The next prime is 3942526963. The reversal of 3942526889 is 9886252493.

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.

It is a cyclic number.

It is not a de Polignac number, because 3942526889 - 2⁸ = 3942526633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3942526589) 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, 281609057 + ... + 281609070.

It is an arithmetic number, because the mean of its divisors is an integer number (1126436256).

Almost surely, 2^3942526889 is an apocalyptic number.

It is an amenable number.

3942526889 is a deficient number, since it is larger than the sum of its proper divisors (563218135).

3942526889 is an equidigital number, since it uses as much as digits as its factorization.

3942526889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563218134.

The product of its digits is 7464960, while the sum is 56.

The square root of 3942526889 is about 62789.5444242113. The cubic root of 3942526889 is about 1579.7616059968.

The spelling of 3942526889 in words is "three billion, nine hundred forty-two million, five hundred twenty-six thousand, eight hundred eighty-nine".