3938263361 has 4 divisors (see below), whose sum is σ = 4145540400. Its totient is φ = 3730986324.

The previous prime is 3938263337. The next prime is 3938263369. The reversal of 3938263361 is 1633628393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3938263361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3938263369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103638491 + ... + 103638528.

It is an arithmetic number, because the mean of its divisors is an integer number (1036385100).

Almost surely, 2^3938263361 is an apocalyptic number.

It is an amenable number.

3938263361 is a deficient number, since it is larger than the sum of its proper divisors (207277039).

3938263361 is a wasteful number, since it uses less digits than its factorization.

3938263361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207277038.

The product of its digits is 419904, while the sum is 44.

The square root of 3938263361 is about 62755.5843013194. The cubic root of 3938263361 is about 1579.1919385891.

The spelling of 3938263361 in words is "three billion, nine hundred thirty-eight million, two hundred sixty-three thousand, three hundred sixty-one".