3953889089 has 4 divisors (see below), whose sum is σ = 3956981760. Its totient is φ = 3950796420.

The previous prime is 3953889047. The next prime is 3953889101. The reversal of 3953889089 is 9809883593.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-3953889089 is a prime.

It is a super-2 number, since 2×3953889089² = 31266477856226499842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3953882089) 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, 1544417 + ... + 1546974.

It is an arithmetic number, because the mean of its divisors is an integer number (989245440).

Almost surely, 2^3953889089 is an apocalyptic number.

It is an amenable number.

3953889089 is a deficient number, since it is larger than the sum of its proper divisors (3092671).

3953889089 is a wasteful number, since it uses less digits than its factorization.

3953889089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092670.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The square root of 3953889089 is about 62879.9577687517. The cubic root of 3953889089 is about 1581.2777530496.

The spelling of 3953889089 in words is "three billion, nine hundred fifty-three million, eight hundred eighty-nine thousand, eighty-nine".