39094947394 has 8 divisors (see below), whose sum is σ = 58646120508. Its totient is φ = 19546240560.

The previous prime is 39094947391. The next prime is 39094947407. The reversal of 39094947394 is 49374949093.

It can be written as a sum of positive squares in 2 ways, for example, as 24638011225 + 14456936169 = 156965^2 + 120237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 576417 + ... + 640660.

Almost surely, 2^39094947394 is an apocalyptic number.

39094947394 is a deficient number, since it is larger than the sum of its proper divisors (19551173114).

39094947394 is a wasteful number, since it uses less digits than its factorization.

39094947394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233140.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 39094947394 in words is "thirty-nine billion, ninety-four million, nine hundred forty-seven thousand, three hundred ninety-four".