3774648464773 has 4 divisors (see below), whose sum is σ = 3785341520268. Its totient is φ = 3763955409280.

The previous prime is 3774648464753. The next prime is 3774648464833.

3774648464773 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2379114983844 + 1395533480929 = 1542438^2 + 1181327^2 .

It is a cyclic number.

It is not a de Polignac number, because 3774648464773 - 2⁹ = 3774648464261 is a prime.

It is a super-2 number, since 2×3774648464773² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774648464753) 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, 5346527218 + ... + 5346527923.

It is an arithmetic number, because the mean of its divisors is an integer number (946335380067).

Almost surely, 2^{3774648464773} is an apocalyptic number.

It is an amenable number.

3774648464773 is a deficient number, since it is larger than the sum of its proper divisors (10693055495).

3774648464773 is a wasteful number, since it uses less digits than its factorization.

3774648464773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693055494.

The product of its digits is 1593188352, while the sum is 70.

The spelling of 3774648464773 in words is "three trillion, seven hundred seventy-four billion, six hundred forty-eight million, four hundred sixty-four thousand, seven hundred seventy-three".