3478564658743 has 4 divisors (see below), whose sum is σ = 3527558527248. Its totient is φ = 3429570790240.

The previous prime is 3478564658729. The next prime is 3478564658749.

3478564658743 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 3478564658743 - 2¹⁷ = 3478564527671 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 (3478564658749) 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, 24496934146 + ... + 24496934287.

It is an arithmetic number, because the mean of its divisors is an integer number (881889631812).

Almost surely, 2^{3478564658743} is an apocalyptic number.

3478564658743 is a deficient number, since it is larger than the sum of its proper divisors (48993868505).

3478564658743 is an equidigital number, since it uses as much as digits as its factorization.

3478564658743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48993868504.

The product of its digits is 1625702400, while the sum is 70.

The spelling of 3478564658743 in words is "three trillion, four hundred seventy-eight billion, five hundred sixty-four million, six hundred fifty-eight thousand, seven hundred forty-three".