394611050641 has 4 divisors (see below), whose sum is σ = 396973991232. Its totient is φ = 392248110052.

The previous prime is 394611050621. The next prime is 394611050657. The reversal of 394611050641 is 146050116493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 394611050641 - 2⁷ = 394611050513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394611050594 and 394611050603.

It is not an unprimeable number, because it can be changed into a prime (394611050621) 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, 1181470045 + ... + 1181470378.

It is an arithmetic number, because the mean of its divisors is an integer number (99243497808).

Almost surely, 2^394611050641 is an apocalyptic number.

It is an amenable number.

394611050641 is a deficient number, since it is larger than the sum of its proper divisors (2362940591).

394611050641 is a wasteful number, since it uses less digits than its factorization.

394611050641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362940590.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 394611050641 in words is "three hundred ninety-four billion, six hundred eleven million, fifty thousand, six hundred forty-one".