3995403081 has 8 divisors (see below), whose sum is σ = 5327674464. Its totient is φ = 2663366880.

The previous prime is 3995403067. The next prime is 3995403103. The reversal of 3995403081 is 1803045993.

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

It is not a de Polignac number, because 3995403081 - 2¹⁷ = 3995272009 is a prime.

It is a super-2 number, since 2×3995403081² = 31926491559328585122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3995403281) 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, 14355 + ... + 90536.

It is an arithmetic number, because the mean of its divisors is an integer number (665959308).

Almost surely, 2^3995403081 is an apocalyptic number.

It is an amenable number.

3995403081 is a deficient number, since it is larger than the sum of its proper divisors (1332271383).

3995403081 is a wasteful number, since it uses less digits than its factorization.

3995403081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117591.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 3995403081 is about 63209.2009204356. The cubic root of 3995403081 is about 1586.7927227006.

The spelling of 3995403081 in words is "three billion, nine hundred ninety-five million, four hundred three thousand, eighty-one".