7469664669647 has 4 divisors (see below), whose sum is σ = 7909056709056. Its totient is φ = 7030272630240.

The previous prime is 7469664669629. The next prime is 7469664669671.

7469664669647 is nontrivially palindromic in base 10.

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 7469664669647 - 2¹⁶ = 7469664604111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7469664669697) 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, 219696019679 + ... + 219696019712.

It is an arithmetic number, because the mean of its divisors is an integer number (1977264177264).

Almost surely, 2^{7469664669647} is an apocalyptic number.

7469664669647 is a deficient number, since it is larger than the sum of its proper divisors (439392039409).

7469664669647 is a wasteful number, since it uses less digits than its factorization.

7469664669647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439392039408.

The product of its digits is 11851370496, while the sum is 80.

The spelling of 7469664669647 in words is "seven trillion, four hundred sixty-nine billion, six hundred sixty-four million, six hundred sixty-nine thousand, six hundred forty-seven".