394317847102 has 4 divisors (see below), whose sum is σ = 591476770656. Its totient is φ = 197158923550.

The previous prime is 394317847051. The next prime is 394317847111. The reversal of 394317847102 is 201748713493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201748713493 = 47 ⋅4292525819.

It is a super-3 number, since 3×394317847102³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98579461774 + ... + 98579461777.

It is an arithmetic number, because the mean of its divisors is an integer number (147869192664).

Almost surely, 2^394317847102 is an apocalyptic number.

394317847102 is a deficient number, since it is larger than the sum of its proper divisors (197158923554).

394317847102 is a wasteful number, since it uses less digits than its factorization.

394317847102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197158923553.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 394317847102 in words is "three hundred ninety-four billion, three hundred seventeen million, eight hundred forty-seven thousand, one hundred two".