354513996722 has 6 divisors (see below), whose sum is σ = 531772258143. Its totient is φ = 177256577342.

The previous prime is 354513996709. The next prime is 354513996737. The reversal of 354513996722 is 227699315453.

It can be written as a sum of positive squares in only one way, i.e., 177256998361 + 177256998361 = 421019^2 + 421019^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=421019.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 631529 + ... + 1052547.

Almost surely, 2^354513996722 is an apocalyptic number.

354513996722 is a deficient number, since it is larger than the sum of its proper divisors (177258261421).

354513996722 is an frugal number, since it uses more digits than its factorization.

354513996722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842040 (or 421021 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 56.

The spelling of 354513996722 in words is "three hundred fifty-four billion, five hundred thirteen million, nine hundred ninety-six thousand, seven hundred twenty-two".