3748774778473 has 2 divisors, whose sum is σ = 3748774778474. Its totient is φ = 3748774778472.

The previous prime is 3748774778459. The next prime is 3748774778501.

3748774778473 is nontrivially palindromic in base 10.

3748774778473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2078911236649 + 1669863541824 = 1441843^2 + 1292232^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3748774778473 - 2⁹ = 3748774777961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3748774778473.

It is not a weakly prime, because it can be changed into another prime (3748774778773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874387389236 + 1874387389237.

It is an arithmetic number, because the mean of its divisors is an integer number (1874387389237).

Almost surely, 2^{3748774778473} is an apocalyptic number.

It is an amenable number.

3748774778473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748774778473 is an equidigital number, since it uses as much as digits as its factorization.

3748774778473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4337012736, while the sum is 76.

The spelling of 3748774778473 in words is "three trillion, seven hundred forty-eight billion, seven hundred seventy-four million, seven hundred seventy-eight thousand, four hundred seventy-three".