4013351021 has 8 divisors (see below), whose sum is σ = 4050946944. Its totient is φ = 3975875680.

The previous prime is 4013350967. The next prime is 4013351059. The reversal of 4013351021 is 1201533104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013351021 is a prime.

It is a super-2 number, since 2×4013351021² = 32213972835523484882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4013350984 and 4013351002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013351071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37436 + ... + 97098.

It is an arithmetic number, because the mean of its divisors is an integer number (506368368).

Almost surely, 2^4013351021 is an apocalyptic number.

It is an amenable number.

4013351021 is a deficient number, since it is larger than the sum of its proper divisors (37595923).

4013351021 is a wasteful number, since it uses less digits than its factorization.

4013351021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60291.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4013351021 is about 63351.0143644125. The cubic root of 4013351021 is about 1589.1652093781.

Adding to 4013351021 its reverse (1201533104), we get a palindrome (5214884125).

The spelling of 4013351021 in words is "four billion, thirteen million, three hundred fifty-one thousand, twenty-one".