3972648707 has 2 divisors, whose sum is σ = 3972648708. Its totient is φ = 3972648706.

The previous prime is 3972648653. The next prime is 3972648721. The reversal of 3972648707 is 7078462793.

3972648707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3972648707 - 2⁶ = 3972648643 is a prime.

It is not a weakly prime, because it can be changed into another prime (3972648737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986324353 + 1986324354.

It is an arithmetic number, because the mean of its divisors is an integer number (1986324354).

Almost surely, 2^3972648707 is an apocalyptic number.

3972648707 is a deficient number, since it is larger than the sum of its proper divisors (1).

3972648707 is an equidigital number, since it uses as much as digits as its factorization.

3972648707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The square root of 3972648707 is about 63028.9513398406. The cubic root of 3972648707 is about 1583.7746511962.

The spelling of 3972648707 in words is "three billion, nine hundred seventy-two million, six hundred forty-eight thousand, seven hundred seven".