4215634651 has 2 divisors, whose sum is σ = 4215634652. Its totient is φ = 4215634650.

The previous prime is 4215634601. The next prime is 4215634667. The reversal of 4215634651 is 1564365124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4215634651 - 2⁷ = 4215634523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4215634651.

It is not a weakly prime, because it can be changed into another prime (4215634601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107817325 + 2107817326.

It is an arithmetic number, because the mean of its divisors is an integer number (2107817326).

Almost surely, 2^4215634651 is an apocalyptic number.

4215634651 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215634651 is an equidigital number, since it uses as much as digits as its factorization.

4215634651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 4215634651 is about 64927.9188870242. The cubic root of 4215634651 is about 1615.4281823384.

Adding to 4215634651 its reverse (1564365124), we get a palindrome (5779999775).

The spelling of 4215634651 in words is "four billion, two hundred fifteen million, six hundred thirty-four thousand, six hundred fifty-one".