4135652421 has 8 divisors (see below), whose sum is σ = 5516264640. Its totient is φ = 2756070912.

The previous prime is 4135652413. The next prime is 4135652489. The reversal of 4135652421 is 1242565314.

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

It is not a de Polignac number, because 4135652421 - 2³ = 4135652413 is a prime.

It is a super-2 number, since 2×4135652421² = 34207241894646322482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135652401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248265 + ... + 264398.

It is an arithmetic number, because the mean of its divisors is an integer number (689533080).

Almost surely, 2^4135652421 is an apocalyptic number.

It is an amenable number.

4135652421 is a deficient number, since it is larger than the sum of its proper divisors (1380612219).

4135652421 is a wasteful number, since it uses less digits than its factorization.

4135652421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515355.

The product of its digits is 28800, while the sum is 33.

The square root of 4135652421 is about 64309.0384082984. The cubic root of 4135652421 is about 1605.1465038384.

The spelling of 4135652421 in words is "four billion, one hundred thirty-five million, six hundred fifty-two thousand, four hundred twenty-one".