4212643651 has 4 divisors (see below), whose sum is σ = 4310612152. Its totient is φ = 4114675152.

The previous prime is 4212643619. The next prime is 4212643703. The reversal of 4212643651 is 1563462124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4212643651 - 2⁵ = 4212643619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4212643151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48984186 + ... + 48984271.

It is an arithmetic number, because the mean of its divisors is an integer number (1077653038).

Almost surely, 2^4212643651 is an apocalyptic number.

4212643651 is a deficient number, since it is larger than the sum of its proper divisors (97968501).

4212643651 is an equidigital number, since it uses as much as digits as its factorization.

4212643651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97968500.

The product of its digits is 34560, while the sum is 34.

The square root of 4212643651 is about 64904.8815652567. The cubic root of 4212643651 is about 1615.0460422611.

The spelling of 4212643651 in words is "four billion, two hundred twelve million, six hundred forty-three thousand, six hundred fifty-one".