3500656542 has 32 divisors (see below), whose sum is σ = 7875286560. Its totient is φ = 1166884056.

The previous prime is 3500656487. The next prime is 3500656553. The reversal of 3500656542 is 2456560053.

It is a happy number.

3500656542 is a `hidden beast` number, since 3 + 50 + 0 + 6 + 565 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3500656497 and 3500656506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395793 + ... + 404540.

It is an arithmetic number, because the mean of its divisors is an integer number (246102705).

Almost surely, 2^3500656542 is an apocalyptic number.

3500656542 is an abundant number, since it is smaller than the sum of its proper divisors (4374630018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3500656542 is an frugal number, since it uses more digits than its factorization.

3500656542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800356 (or 800338 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3500656542 is about 59166.3463634523. The cubic root of 3500656542 is about 1518.3894156308.

The spelling of 3500656542 in words is "three billion, five hundred million, six hundred fifty-six thousand, five hundred forty-two".