3748151861 has 2 divisors, whose sum is σ = 3748151862. Its totient is φ = 3748151860.

The previous prime is 3748151851. The next prime is 3748151863. The reversal of 3748151861 is 1681518473.

3748151861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976247025 + 1771904836 = 44455^2 + 42094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3748151861 is a prime.

Together with 3748151863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3748151863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874075930 + 1874075931.

It is an arithmetic number, because the mean of its divisors is an integer number (1874075931).

Almost surely, 2^3748151861 is an apocalyptic number.

It is an amenable number.

3748151861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748151861 is an equidigital number, since it uses as much as digits as its factorization.

3748151861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 3748151861 is about 61222.1517181486. The cubic root of 3748151861 is about 1553.3609844781.

The spelling of 3748151861 in words is "three billion, seven hundred forty-eight million, one hundred fifty-one thousand, eight hundred sixty-one".