3961693573 has 2 divisors, whose sum is σ = 3961693574. Its totient is φ = 3961693572.

The previous prime is 3961693537. The next prime is 3961693613. The reversal of 3961693573 is 3753961693.

Together with previous prime (3961693537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2009997889 + 1951695684 = 44833^2 + 44178^2 .

It is a cyclic number.

It is not a de Polignac number, because 3961693573 - 2¹³ = 3961685381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3961693573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3961693513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980846786 + 1980846787.

It is an arithmetic number, because the mean of its divisors is an integer number (1980846787).

Almost surely, 2^3961693573 is an apocalyptic number.

It is an amenable number.

3961693573 is a deficient number, since it is larger than the sum of its proper divisors (1).

3961693573 is an equidigital number, since it uses as much as digits as its factorization.

3961693573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 52.

The square root of 3961693573 is about 62941.9857726145. The cubic root of 3961693573 is about 1582.3174842810.

The spelling of 3961693573 in words is "three billion, nine hundred sixty-one million, six hundred ninety-three thousand, five hundred seventy-three".