7648863106651 has 4 divisors (see below), whose sum is σ = 8237237191792. Its totient is φ = 7060489021512.

The previous prime is 7648863106637. The next prime is 7648863106667. The reversal of 7648863106651 is 1566013688467.

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 7648863106651 - 2³¹ = 7646715623003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7648863106651.

It is not an unprimeable number, because it can be changed into a prime (7648863106601) 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, 294187042551 + ... + 294187042576.

It is an arithmetic number, because the mean of its divisors is an integer number (2059309297948).

Almost surely, 2^{7648863106651} is an apocalyptic number.

7648863106651 is a deficient number, since it is larger than the sum of its proper divisors (588374085141).

7648863106651 is a wasteful number, since it uses less digits than its factorization.

7648863106651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588374085140.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 7648863106651 in words is "seven trillion, six hundred forty-eight billion, eight hundred sixty-three million, one hundred six thousand, six hundred fifty-one".