3949103009494 has 16 divisors (see below), whose sum is σ = 5957272234800. Its totient is φ = 1963347541504.

The previous prime is 3949103009441. The next prime is 3949103009507. The reversal of 3949103009494 is 4949003019493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3632994 + ... + 4593130.

It is an arithmetic number, because the mean of its divisors is an integer number (372329514675).

Almost surely, 2^{3949103009494} is an apocalyptic number.

3949103009494 is a deficient number, since it is larger than the sum of its proper divisors (2008169225306).

3949103009494 is a wasteful number, since it uses less digits than its factorization.

3949103009494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971807.

The product of its (nonzero) digits is 3779136, while the sum is 55.

Subtracting 3949103009494 from its reverse (4949003019493), we obtain a palindrome (999900009999).

The spelling of 3949103009494 in words is "three trillion, nine hundred forty-nine billion, one hundred three million, nine thousand, four hundred ninety-four".