354394505905 has 16 divisors (see below), whose sum is σ = 464074646400. Its totient is φ = 257663669760.

The previous prime is 354394505891. The next prime is 354394506001. The reversal of 354394505905 is 509505493453.

It is not a de Polignac number, because 354394505905 - 2⁵ = 354394505873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788160 + ... + 1153249.

It is an arithmetic number, because the mean of its divisors is an integer number (29004665400).

Almost surely, 2^354394505905 is an apocalyptic number.

It is an amenable number.

354394505905 is a deficient number, since it is larger than the sum of its proper divisors (109680140495).

354394505905 is a wasteful number, since it uses less digits than its factorization.

354394505905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944744.

The product of its (nonzero) digits is 7290000, while the sum is 52.

The spelling of 354394505905 in words is "three hundred fifty-four billion, three hundred ninety-four million, five hundred five thousand, nine hundred five".