3478662668743 has 4 divisors (see below), whose sum is σ = 3478684159080. Its totient is φ = 3478641178408.

The previous prime is 3478662668737. The next prime is 3478662668749.

3478662668743 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (3478662668737) and next prime (3478662668749).

It is a cyclic number.

It is not a de Polignac number, because 3478662668743 - 2⁵ = 3478662668711 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 (3478662668749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10500505 + ... + 10826722.

It is an arithmetic number, because the mean of its divisors is an integer number (869671039770).

Almost surely, 2^{3478662668743} is an apocalyptic number.

3478662668743 is a deficient number, since it is larger than the sum of its proper divisors (21490337).

3478662668743 is a wasteful number, since it uses less digits than its factorization.

3478662668743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21490336.

The product of its digits is 1170505728, while the sum is 70.

The spelling of 3478662668743 in words is "three trillion, four hundred seventy-eight billion, six hundred sixty-two million, six hundred sixty-eight thousand, seven hundred forty-three".