3935431349 has 2 divisors, whose sum is σ = 3935431350. Its totient is φ = 3935431348.

The previous prime is 3935431321. The next prime is 3935431351. The reversal of 3935431349 is 9431345393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3545368849 + 390062500 = 59543^2 + 19750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3935431349 - 2¹⁶ = 3935365813 is a prime.

Together with 3935431351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3935431849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967715674 + 1967715675.

It is an arithmetic number, because the mean of its divisors is an integer number (1967715675).

Almost surely, 2^3935431349 is an apocalyptic number.

It is an amenable number.

3935431349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3935431349 is an equidigital number, since it uses as much as digits as its factorization.

3935431349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 44.

The square root of 3935431349 is about 62733.0164187886. The cubic root of 3935431349 is about 1578.8133145994.

The spelling of 3935431349 in words is "three billion, nine hundred thirty-five million, four hundred thirty-one thousand, three hundred forty-nine".