4013237921 has 8 divisors (see below), whose sum is σ = 5003517504. Its totient is φ = 3127198320.

The previous prime is 4013237909. The next prime is 4013237941. The reversal of 4013237921 is 1297323104.

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-4013237921 is a prime.

It is a super-2 number, since 2×4013237921² = 32212157221104804482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4013237941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26059910 + ... + 26060063.

It is an arithmetic number, because the mean of its divisors is an integer number (625439688).

Almost surely, 2^4013237921 is an apocalyptic number.

It is an amenable number.

4013237921 is a deficient number, since it is larger than the sum of its proper divisors (990279583).

4013237921 is a wasteful number, since it uses less digits than its factorization.

4013237921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52119991.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 4013237921 is about 63350.1217125903. The cubic root of 4013237921 is about 1589.1502811819.

The spelling of 4013237921 in words is "four billion, thirteen million, two hundred thirty-seven thousand, nine hundred twenty-one".