6540241351 has 16 divisors (see below), whose sum is σ = 7870374400. Its totient is φ = 5309242848.

The previous prime is 6540241349. The next prime is 6540241363. The reversal of 6540241351 is 1531420456.

It is a happy number.

It is not a de Polignac number, because 6540241351 - 2¹ = 6540241349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540241951) 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, 627781 + ... + 638113.

It is an arithmetic number, because the mean of its divisors is an integer number (491898400).

Almost surely, 2^6540241351 is an apocalyptic number.

6540241351 is a deficient number, since it is larger than the sum of its proper divisors (1330133049).

6540241351 is a wasteful number, since it uses less digits than its factorization.

6540241351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6540241351 is about 80871.7586738411. The cubic root of 6540241351 is about 1870.0989729995.

The spelling of 6540241351 in words is "six billion, five hundred forty million, two hundred forty-one thousand, three hundred fifty-one".