6502649757 has 16 divisors (see below), whose sum is σ = 8692783680. Its totient is φ = 4323825792.

The previous prime is 6502649731. The next prime is 6502649761. The reversal of 6502649757 is 7579462056.

It is not a de Polignac number, because 6502649757 - 2²⁴ = 6485872541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6502649717) 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, 2413303 + ... + 2415995.

It is an arithmetic number, because the mean of its divisors is an integer number (543298980).

Almost surely, 2^6502649757 is an apocalyptic number.

It is an amenable number.

6502649757 is a deficient number, since it is larger than the sum of its proper divisors (2190133923).

6502649757 is a wasteful number, since it uses less digits than its factorization.

6502649757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The square root of 6502649757 is about 80639.0089038798. The cubic root of 6502649757 is about 1866.5091400479.

The spelling of 6502649757 in words is "six billion, five hundred two million, six hundred forty-nine thousand, seven hundred fifty-seven".