5991001995 has 16 divisors (see below), whose sum is σ = 10457021952. Its totient is φ = 2904728160.

The previous prime is 5991001987. The next prime is 5991002009.

It is a happy number.

5991001995 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5991001995 - 2³ = 5991001987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18154387 + ... + 18154716.

It is an arithmetic number, because the mean of its divisors is an integer number (653563872).

Almost surely, 2^5991001995 is an apocalyptic number.

5991001995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5991001995 is a deficient number, since it is larger than the sum of its proper divisors (4466019957).

5991001995 is a wasteful number, since it uses less digits than its factorization.

5991001995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36309122.

The product of its (nonzero) digits is 164025, while the sum is 48.

The square root of 5991001995 is about 77401.5632594071. The cubic root of 5991001995 is about 1816.2117794758.

The spelling of 5991001995 in words is "five billion, nine hundred ninety-one million, one thousand, nine hundred ninety-five".