3421706535 has 144 divisors (see below), whose sum is σ = 6981121056. Its totient is φ = 1539772416.

The previous prime is 3421706503. The next prime is 3421706579. The reversal of 3421706535 is 5356071243.

3421706535 is a `hidden beast` number, since 34 + 21 + 70 + 6 + 535 = 666.

It is not a de Polignac number, because 3421706535 - 2⁵ = 3421706503 is a prime.

It is a super-2 number, since 2×3421706535² = 23416151223323412450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3421706535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6255132 + ... + 6255678.

Almost surely, 2^3421706535 is an apocalyptic number.

3421706535 is an abundant number, since it is smaller than the sum of its proper divisors (3559414521).

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

3421706535 is a wasteful number, since it uses less digits than its factorization.

3421706535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 3421706535 is about 58495.3548155749. The cubic root of 3421706535 is about 1506.8878103023.

Adding to 3421706535 its reverse (5356071243), we get a palindrome (8777777778).

The spelling of 3421706535 in words is "three billion, four hundred twenty-one million, seven hundred six thousand, five hundred thirty-five".