6490759727 has 4 divisors (see below), whose sum is σ = 6832378680. Its totient is φ = 6149140776.

The previous prime is 6490759703. The next prime is 6490759747. The reversal of 6490759727 is 7279570946.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6490759727 - 2¹⁸ = 6490497583 is a prime.

It is a super-2 number, since 2×6490759727² = 84259923667290229058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490759747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170809448 + ... + 170809485.

It is an arithmetic number, because the mean of its divisors is an integer number (1708094670).

Almost surely, 2^6490759727 is an apocalyptic number.

6490759727 is a deficient number, since it is larger than the sum of its proper divisors (341618953).

6490759727 is a wasteful number, since it uses less digits than its factorization.

6490759727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341618952.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The square root of 6490759727 is about 80565.2513618620. The cubic root of 6490759727 is about 1865.3708148664.

The spelling of 6490759727 in words is "six billion, four hundred ninety million, seven hundred fifty-nine thousand, seven hundred twenty-seven".