354016523425205 has 4 divisors (see below), whose sum is σ = 424819828110252. Its totient is φ = 283213218740160.

The previous prime is 354016523425157. The next prime is 354016523425307. The reversal of 354016523425205 is 502524325610453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211369785027844 + 142646738397361 = 14538562^2 + 11943481^2 .

It is not a de Polignac number, because 354016523425205 - 2⁶ = 354016523425141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354016523425205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35401652342516 + ... + 35401652342525.

It is an arithmetic number, because the mean of its divisors is an integer number (106204957027563).

Almost surely, 2^{354016523425205} is an apocalyptic number.

It is an amenable number.

354016523425205 is a deficient number, since it is larger than the sum of its proper divisors (70803304685047).

354016523425205 is an equidigital number, since it uses as much as digits as its factorization.

354016523425205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70803304685046.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 354016523425205 in words is "three hundred fifty-four trillion, sixteen billion, five hundred twenty-three million, four hundred twenty-five thousand, two hundred five".