3985293313 has 2 divisors, whose sum is σ = 3985293314. Its totient is φ = 3985293312.

The previous prime is 3985293293. The next prime is 3985293337. The reversal of 3985293313 is 3133925893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2026080144 + 1959213169 = 45012^2 + 44263^2 .

It is a cyclic number.

It is not a de Polignac number, because 3985293313 - 2¹³ = 3985285121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3985293343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992646656 + 1992646657.

It is an arithmetic number, because the mean of its divisors is an integer number (1992646657).

Almost surely, 2^3985293313 is an apocalyptic number.

It is an amenable number.

3985293313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985293313 is an equidigital number, since it uses as much as digits as its factorization.

3985293313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The square root of 3985293313 is about 63129.1795685640. The cubic root of 3985293313 is about 1585.4532119568.

The spelling of 3985293313 in words is "three billion, nine hundred eighty-five million, two hundred ninety-three thousand, three hundred thirteen".