6540434101 has 8 divisors (see below), whose sum is σ = 6667393824. Its totient is φ = 6413606160.

The previous prime is 6540434063. The next prime is 6540434143. The reversal of 6540434101 is 1014340456.

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

It is a cyclic number.

It is not a de Polignac number, because 6540434101 - 2²¹ = 6538336949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6540434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540435101) 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, 70390 + ... + 134296.

It is an arithmetic number, because the mean of its divisors is an integer number (833424228).

Almost surely, 2^6540434101 is an apocalyptic number.

It is an amenable number.

6540434101 is a deficient number, since it is larger than the sum of its proper divisors (126959723).

6540434101 is a wasteful number, since it uses less digits than its factorization.

6540434101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65891.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6540434101 is about 80872.9503666090. The cubic root of 6540434101 is about 1870.1173442907.

Adding to 6540434101 its reverse (1014340456), we get a palindrome (7554774557).

The spelling of 6540434101 in words is "six billion, five hundred forty million, four hundred thirty-four thousand, one hundred one".