6492906757 has 4 divisors (see below), whose sum is σ = 6493089996. Its totient is φ = 6492723520.

The previous prime is 6492906703. The next prime is 6492906793. The reversal of 6492906757 is 7576092946.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3374912836 + 3117993921 = 58094^2 + 55839^2 .

It is a cyclic number.

It is not a de Polignac number, because 6492906757 - 2²³ = 6484518149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6492906698 and 6492906707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6492906257) 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, 19594 + ... + 115627.

It is an arithmetic number, because the mean of its divisors is an integer number (1623272499).

Almost surely, 2^6492906757 is an apocalyptic number.

It is an amenable number.

6492906757 is a deficient number, since it is larger than the sum of its proper divisors (183239).

6492906757 is a wasteful number, since it uses less digits than its factorization.

6492906757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183238.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 6492906757 is about 80578.5750494510. The cubic root of 6492906757 is about 1865.5764695588.

The spelling of 6492906757 in words is "six billion, four hundred ninety-two million, nine hundred six thousand, seven hundred fifty-seven".