3506985626 has 4 divisors (see below), whose sum is σ = 5260478442. Its totient is φ = 1753492812.

The previous prime is 3506985569. The next prime is 3506985653. The reversal of 3506985626 is 6265896053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6265896053 = 41 ⋅152826733.

It can be written as a sum of positive squares in only one way, i.e., 2724944401 + 782041225 = 52201^2 + 27965^2 .

It is a super-2 number, since 2×3506985626² = 24597896361941223752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876746405 + ... + 876746408.

Almost surely, 2^3506985626 is an apocalyptic number.

3506985626 is a deficient number, since it is larger than the sum of its proper divisors (1753492816).

3506985626 is a wasteful number, since it uses less digits than its factorization.

3506985626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753492815.

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

The square root of 3506985626 is about 59219.8077166753. The cubic root of 3506985626 is about 1519.3039325040.

The spelling of 3506985626 in words is "three billion, five hundred six million, nine hundred eighty-five thousand, six hundred twenty-six".