3506696258 has 18 divisors (see below), whose sum is σ = 5697556587. Its totient is φ = 1617972720.

The previous prime is 3506696239. The next prime is 3506696261. The reversal of 3506696258 is 8526966053.

It can be written as a sum of positive squares in 5 ways, for example, as 1392259969 + 2114436289 = 37313^2 + 45983^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=41873.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1087088 + ... + 1090308.

Almost surely, 2^3506696258 is an apocalyptic number.

3506696258 is a deficient number, since it is larger than the sum of its proper divisors (2190860329).

3506696258 is an frugal number, since it uses more digits than its factorization.

3506696258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 3506696258 is about 59217.3644972486. The cubic root of 3506696258 is about 1519.2621444768.

Multiplying 3506696258 by its sum of digits (50), we get a square (175334812900 = 418730²).

The spelling of 3506696258 in words is "three billion, five hundred six million, six hundred ninety-six thousand, two hundred fifty-eight".