354187401905 has 16 divisors (see below), whose sum is σ = 426716035200. Its totient is φ = 282224638080.

The previous prime is 354187401899. The next prime is 354187401913. The reversal of 354187401905 is 509104781453.

It is not a de Polignac number, because 354187401905 - 2¹⁴ = 354187385521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354187401905.

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, 1187981 + ... + 1455909.

It is an arithmetic number, because the mean of its divisors is an integer number (26669752200).

Almost surely, 2^354187401905 is an apocalyptic number.

It is an amenable number.

354187401905 is a deficient number, since it is larger than the sum of its proper divisors (72528633295).

354187401905 is a wasteful number, since it uses less digits than its factorization.

354187401905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268984.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 354187401905 in words is "three hundred fifty-four billion, one hundred eighty-seven million, four hundred one thousand, nine hundred five".