3920068635 has 32 divisors (see below), whose sum is σ = 7248683520. Its totient is φ = 1771891968.

The previous prime is 3920068601. The next prime is 3920068639. The reversal of 3920068635 is 5368600293.

It is not a de Polignac number, because 3920068635 - 2¹⁴ = 3920052251 is a prime.

It is a super-2 number, since 2×3920068635² = 30733876206221526450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3920068639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200397 + ... + 219086.

It is an arithmetic number, because the mean of its divisors is an integer number (226521360).

Almost surely, 2^3920068635 is an apocalyptic number.

3920068635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3920068635 is a deficient number, since it is larger than the sum of its proper divisors (3328614885).

3920068635 is a wasteful number, since it uses less digits than its factorization.

3920068635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419587.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 3920068635 is about 62610.4514837579. The cubic root of 3920068635 is about 1576.7562349511.

The spelling of 3920068635 in words is "three billion, nine hundred twenty million, sixty-eight thousand, six hundred thirty-five".