394607563011 has 6 divisors (see below), whose sum is σ = 569988702140. Its totient is φ = 263071708668.

The previous prime is 394607562991. The next prime is 394607563073. The reversal of 394607563011 is 110365706493.

It is a happy number.

394607563011 is a `hidden beast` number, since 3 + 9 + 4 + 6 + 0 + 7 + 5 + 630 + 1 + 1 = 666.

It is not a de Polignac number, because 394607563011 - 2⁷ = 394607562883 is a prime.

It is a super-2 number, since 2×394607563011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394607563211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21922642381 + ... + 21922642398.

Almost surely, 2^394607563011 is an apocalyptic number.

394607563011 is a deficient number, since it is larger than the sum of its proper divisors (175381139129).

394607563011 is a wasteful number, since it uses less digits than its factorization.

394607563011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43845284785 (or 43845284782 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 394607563011 in words is "three hundred ninety-four billion, six hundred seven million, five hundred sixty-three thousand, eleven".