3964231673 has 2 divisors, whose sum is σ = 3964231674. Its totient is φ = 3964231672.

The previous prime is 3964231669. The next prime is 3964231697. The reversal of 3964231673 is 3761324693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3651543184 + 312688489 = 60428^2 + 17683^2 .

It is a cyclic number.

It is not a de Polignac number, because 3964231673 - 2² = 3964231669 is a prime.

It is not a weakly prime, because it can be changed into another prime (3964231633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982115836 + 1982115837.

It is an arithmetic number, because the mean of its divisors is an integer number (1982115837).

Almost surely, 2^3964231673 is an apocalyptic number.

It is an amenable number.

3964231673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964231673 is an equidigital number, since it uses as much as digits as its factorization.

3964231673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The square root of 3964231673 is about 62962.1447617535. The cubic root of 3964231673 is about 1582.6553215039.

The spelling of 3964231673 in words is "three billion, nine hundred sixty-four million, two hundred thirty-one thousand, six hundred seventy-three".