6540214435 has 8 divisors (see below), whose sum is σ = 7852625856. Its totient is φ = 5229259200.

The previous prime is 6540214433. The next prime is 6540214441. The reversal of 6540214435 is 5344120456.

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

It is not a de Polignac number, because 6540214435 - 2¹ = 6540214433 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 6540214435.

It is not an unprimeable number, because it can be changed into a prime (6540214433) 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, 354139 + ... + 372148.

It is an arithmetic number, because the mean of its divisors is an integer number (981578232).

Almost surely, 2^6540214435 is an apocalyptic number.

6540214435 is a deficient number, since it is larger than the sum of its proper divisors (1312411421).

6540214435 is a wasteful number, since it uses less digits than its factorization.

6540214435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728093.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 6540214435 is about 80871.5922620545. The cubic root of 6540214435 is about 1870.0964075665.

The spelling of 6540214435 in words is "six billion, five hundred forty million, two hundred fourteen thousand, four hundred thirty-five".