354425405643 has 6 divisors (see below), whose sum is σ = 511947808164. Its totient is φ = 236283603756.

The previous prime is 354425405627. The next prime is 354425405647. The reversal of 354425405643 is 346504524453.

354425405643 is a `hidden beast` number, since 3 + 5 + 4 + 42 + 5 + 40 + 564 + 3 = 666.

It is not a de Polignac number, because 354425405643 - 2⁴ = 354425405627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354425405647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19690300305 + ... + 19690300322.

It is an arithmetic number, because the mean of its divisors is an integer number (85324634694).

Almost surely, 2^354425405643 is an apocalyptic number.

354425405643 is a deficient number, since it is larger than the sum of its proper divisors (157522402521).

354425405643 is a wasteful number, since it uses less digits than its factorization.

354425405643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39380600633 (or 39380600630 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 354425405643 in words is "three hundred fifty-four billion, four hundred twenty-five million, four hundred five thousand, six hundred forty-three".