39949094993 has 12 divisors (see below), whose sum is σ = 42441619968. Its totient is φ = 37595820600.

The previous prime is 39949094963. The next prime is 39949095023.

It is a happy number.

39949094993 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (39949094963) and next prime (39949095023).

It is not a de Polignac number, because 39949094993 - 2¹² = 39949090897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39949094923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311921 + ... + 420942.

It is an arithmetic number, because the mean of its divisors is an integer number (3536801664).

Almost surely, 2^39949094993 is an apocalyptic number.

It is an amenable number.

39949094993 is a deficient number, since it is larger than the sum of its proper divisors (2492524975).

39949094993 is a wasteful number, since it uses less digits than its factorization.

39949094993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733052 (or 733033 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 68.

The spelling of 39949094993 in words is "thirty-nine billion, nine hundred forty-nine million, ninety-four thousand, nine hundred ninety-three".