4246266921 has 16 divisors (see below), whose sum is σ = 6101760000. Its totient is φ = 2611134720.

The previous prime is 4246266887. The next prime is 4246266929. The reversal of 4246266921 is 1296626424.

4246266921 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4246266921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4246266929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13080 + ... + 93078.

It is an arithmetic number, because the mean of its divisors is an integer number (381360000).

Almost surely, 2^4246266921 is an apocalyptic number.

It is an amenable number.

4246266921 is a deficient number, since it is larger than the sum of its proper divisors (1855493079).

4246266921 is a wasteful number, since it uses less digits than its factorization.

4246266921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81376.

The product of its digits is 248832, while the sum is 42.

The square root of 4246266921 is about 65163.3863530741. The cubic root of 4246266921 is about 1619.3314979156.

The spelling of 4246266921 in words is "four billion, two hundred forty-six million, two hundred sixty-six thousand, nine hundred twenty-one".