3748721479 has 2 divisors, whose sum is σ = 3748721480. Its totient is φ = 3748721478.

The previous prime is 3748721443. The next prime is 3748721491. The reversal of 3748721479 is 9741278473.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3748721479 - 2⁹ = 3748720967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3748721419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874360739 + 1874360740.

It is an arithmetic number, because the mean of its divisors is an integer number (1874360740).

Almost surely, 2^3748721479 is an apocalyptic number.

3748721479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748721479 is an equidigital number, since it uses as much as digits as its factorization.

3748721479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 3748721479 is about 61226.8035994041. The cubic root of 3748721479 is about 1553.4396701514.

The spelling of 3748721479 in words is "three billion, seven hundred forty-eight million, seven hundred twenty-one thousand, four hundred seventy-nine".