3979938514 has 4 divisors (see below), whose sum is σ = 5969907774. Its totient is φ = 1989969256.

The previous prime is 3979938497. The next prime is 3979938517. The reversal of 3979938514 is 4158399793.

3979938514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3652147489 + 327791025 = 60433^2 + 18105^2 .

It is not an unprimeable number, because it can be changed into a prime (3979938517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994984627 + ... + 994984630.

Almost surely, 2^3979938514 is an apocalyptic number.

3979938514 is a deficient number, since it is larger than the sum of its proper divisors (1989969260).

3979938514 is a wasteful number, since it uses less digits than its factorization.

3979938514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989969259.

The product of its digits is 7348320, while the sum is 58.

The square root of 3979938514 is about 63086.7538711575. The cubic root of 3979938514 is about 1584.7428009656.

The spelling of 3979938514 in words is "three billion, nine hundred seventy-nine million, nine hundred thirty-eight thousand, five hundred fourteen".