3500656894 has 16 divisors (see below), whose sum is σ = 6001947648. Its totient is φ = 1500076152.

The previous prime is 3500656891. The next prime is 3500656897. The reversal of 3500656894 is 4986560053.

It is an interprime number because it is at equal distance from previous prime (3500656891) and next prime (3500656897).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500656891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136107 + ... + 159769.

It is an arithmetic number, because the mean of its divisors is an integer number (375121728).

Almost surely, 2^3500656894 is an apocalyptic number.

3500656894 is a deficient number, since it is larger than the sum of its proper divisors (2501290754).

3500656894 is a wasteful number, since it uses less digits than its factorization.

3500656894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34239.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 3500656894 is about 59166.3493381162. The cubic root of 3500656894 is about 1518.3894665234.

The spelling of 3500656894 in words is "three billion, five hundred million, six hundred fifty-six thousand, eight hundred ninety-four".