3995556001 has 4 divisors (see below), whose sum is σ = 4088475952. Its totient is φ = 3902636052.

The previous prime is 3995555989. The next prime is 3995556011. The reversal of 3995556001 is 1006555993.

3995556001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3995556001 - 2⁵ = 3995555969 is a prime.

It is a super-2 number, since 2×3995556001² = 31928935514254224002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 92919907 = 3995556001 / (3 + 9 + 9 + 5 + 5 + 5 + 6 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3995556011) 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, 46459911 + ... + 46459996.

It is an arithmetic number, because the mean of its divisors is an integer number (1022118988).

Almost surely, 2^3995556001 is an apocalyptic number.

It is an amenable number.

3995556001 is a deficient number, since it is larger than the sum of its proper divisors (92919951).

3995556001 is an equidigital number, since it uses as much as digits as its factorization.

3995556001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92919950.

The product of its (nonzero) digits is 182250, while the sum is 43.

The square root of 3995556001 is about 63210.4105428845. The cubic root of 3995556001 is about 1586.8129667363.

The spelling of 3995556001 in words is "three billion, nine hundred ninety-five million, five hundred fifty-six thousand, one".