4326652421 has 20 divisors (see below), whose sum is σ = 5435766252. Its totient is φ = 3423260736.

The previous prime is 4326652399. The next prime is 4326652441. The reversal of 4326652421 is 1242566234.

It can be written as a sum of positive squares in 2 ways, for example, as 1734722500 + 2591929921 = 41650^2 + 50911^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4326652421 is a prime.

It is a super-2 number, since 2×4326652421² = 37439842344290322482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4326652441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38096 + ... + 100521.

Almost surely, 2^4326652421 is an apocalyptic number.

It is an amenable number.

4326652421 is a deficient number, since it is larger than the sum of its proper divisors (1109113831).

4326652421 is an equidigital number, since it uses as much as digits as its factorization.

4326652421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138658 (or 138637 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 4326652421 is about 65777.2941143066. The cubic root of 4326652421 is about 1629.4861342030.

The spelling of 4326652421 in words is "four billion, three hundred twenty-six million, six hundred fifty-two thousand, four hundred twenty-one".