39094947393 has 12 divisors (see below), whose sum is σ = 53025086928. Its totient is φ = 25621540600.

The previous prime is 39094947391. The next prime is 39094947407. The reversal of 39094947393 is 39374949093.

It is not a de Polignac number, because 39094947393 - 2¹ = 39094947391 is a prime.

It is a super-2 number, since 2×39094947393² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39094947391) 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, 1861383 + ... + 1882268.

It is an arithmetic number, because the mean of its divisors is an integer number (4418757244).

Almost surely, 2^39094947393 is an apocalyptic number.

It is an amenable number.

39094947393 is a deficient number, since it is larger than the sum of its proper divisors (13930139535).

39094947393 is an equidigital number, since it uses as much as digits as its factorization.

39094947393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743772 (or 3743713 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 60.

The spelling of 39094947393 in words is "thirty-nine billion, ninety-four million, nine hundred forty-seven thousand, three hundred ninety-three".