3500656497 has 24 divisors (see below), whose sum is σ = 5633245800. Its totient is φ = 2079963648.

The previous prime is 3500656487. The next prime is 3500656553. The reversal of 3500656497 is 7946560053.

3500656497 is a `hidden beast` number, since 3 + 500 + 6 + 56 + 4 + 97 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 424401201 + 3076255296 = 20601^2 + 55464^2 .

It is not a de Polignac number, because 3500656497 - 2⁶ = 3500656433 is a prime.

It is a super-2 number, since 2×3500656497² = 24509191819976622018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3500656477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512472 + ... + 519257.

It is an arithmetic number, because the mean of its divisors is an integer number (234718575).

Almost surely, 2^3500656497 is an apocalyptic number.

It is an amenable number.

3500656497 is a deficient number, since it is larger than the sum of its proper divisors (2132589303).

3500656497 is a wasteful number, since it uses less digits than its factorization.

3500656497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031777 (or 1031774 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3500656497 is about 59166.3459831685. The cubic root of 3500656497 is about 1518.3894091246.

The spelling of 3500656497 in words is "three billion, five hundred million, six hundred fifty-six thousand, four hundred ninety-seven".