3493976139 has 12 divisors (see below), whose sum is σ = 5312478600. Its totient is φ = 2206721664.

The previous prime is 3493976111. The next prime is 3493976147. The reversal of 3493976139 is 9316793943.

3493976139 is a `hidden beast` number, since 3 + 493 + 97 + 61 + 3 + 9 = 666.

It is not a de Polignac number, because 3493976139 - 2⁵ = 3493976107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3493976539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10216134 + ... + 10216475.

It is an arithmetic number, because the mean of its divisors is an integer number (442706550).

Almost surely, 2^3493976139 is an apocalyptic number.

3493976139 is a deficient number, since it is larger than the sum of its proper divisors (1818502461).

3493976139 is a wasteful number, since it uses less digits than its factorization.

3493976139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432634 (or 20432631 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The square root of 3493976139 is about 59109.8649888494. The cubic root of 3493976139 is about 1517.4229386016.

The spelling of 3493976139 in words is "three billion, four hundred ninety-three million, nine hundred seventy-six thousand, one hundred thirty-nine".