394050563642 has 8 divisors (see below), whose sum is σ = 591078609396. Its totient is φ = 197024360512.

The previous prime is 394050563633. The next prime is 394050563693. The reversal of 394050563642 is 246365050493.

It can be written as a sum of positive squares in 2 ways, for example, as 388214978761 + 5835584881 = 623069^2 + 76391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382988 + ... + 966840.

Almost surely, 2^394050563642 is an apocalyptic number.

394050563642 is a deficient number, since it is larger than the sum of its proper divisors (197028045754).

394050563642 is a wasteful number, since it uses less digits than its factorization.

394050563642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921312.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 394050563642 in words is "three hundred ninety-four billion, fifty million, five hundred sixty-three thousand, six hundred forty-two".