3748438361 has 2 divisors, whose sum is σ = 3748438362. Its totient is φ = 3748438360.

The previous prime is 3748438319. The next prime is 3748438367. The reversal of 3748438361 is 1638348473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3747765961 + 672400 = 61219^2 + 820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3748438361 is a prime.

It is not a weakly prime, because it can be changed into another prime (3748438367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874219180 + 1874219181.

It is an arithmetic number, because the mean of its divisors is an integer number (1874219181).

Almost surely, 2^3748438361 is an apocalyptic number.

It is an amenable number.

3748438361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748438361 is an equidigital number, since it uses as much as digits as its factorization.

3748438361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The square root of 3748438361 is about 61224.4915127925. The cubic root of 3748438361 is about 1553.4005619019.

The spelling of 3748438361 in words is "three billion, seven hundred forty-eight million, four hundred thirty-eight thousand, three hundred sixty-one".