6540633001 has 16 divisors (see below), whose sum is σ = 7762233600. Its totient is φ = 5392312128.

The previous prime is 6540632999. The next prime is 6540633007. The reversal of 6540633001 is 1003360456.

It is not a de Polignac number, because 6540633001 - 2¹ = 6540632999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6540633007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7866 + ... + 114643.

It is an arithmetic number, because the mean of its divisors is an integer number (485139600).

Almost surely, 2^6540633001 is an apocalyptic number.

It is an amenable number.

6540633001 is a deficient number, since it is larger than the sum of its proper divisors (1221600599).

6540633001 is a wasteful number, since it uses less digits than its factorization.

6540633001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122808.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 6540633001 is about 80874.1800638498. The cubic root of 6540633001 is about 1870.1363013693.

Adding to 6540633001 its reverse (1003360456), we get a palindrome (7543993457).

The spelling of 6540633001 in words is "six billion, five hundred forty million, six hundred thirty-three thousand, one".