6541490995 has 16 divisors (see below), whose sum is σ = 8745125760. Its totient is φ = 4664064384.

The previous prime is 6541490987. The next prime is 6541491017. The reversal of 6541490995 is 5990941456.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6541490995 - 2³ = 6541490987 is a prime.

It is a super-2 number, since 2×6541490995² = 85582208875332180050, which contains 22 as substring.

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, 1733259 + ... + 1737028.

It is an arithmetic number, because the mean of its divisors is an integer number (546570360).

Almost surely, 2^6541490995 is an apocalyptic number.

6541490995 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6541490995 is a deficient number, since it is larger than the sum of its proper divisors (2203634765).

6541490995 is a wasteful number, since it uses less digits than its factorization.

6541490995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470334.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 6541490995 is about 80879.4843888115. The cubic root of 6541490995 is about 1870.2180720261.

The spelling of 6541490995 in words is "six billion, five hundred forty-one million, four hundred ninety thousand, nine hundred ninety-five".