393927222061 has 16 divisors (see below), whose sum is σ = 424211515200. Its totient is φ = 364486071040.

The previous prime is 393927222023. The next prime is 393927222089. The reversal of 393927222061 is 160222729393.

It is a de Polignac number, because none of the positive numbers 2^k-393927222061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393927222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588286 + ... + 1064863.

It is an arithmetic number, because the mean of its divisors is an integer number (26513219700).

Almost surely, 2^393927222061 is an apocalyptic number.

It is an amenable number.

393927222061 is a deficient number, since it is larger than the sum of its proper divisors (30284293139).

393927222061 is a wasteful number, since it uses less digits than its factorization.

393927222061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653404.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 393927222061 in words is "three hundred ninety-three billion, nine hundred twenty-seven million, two hundred twenty-two thousand, sixty-one".