354505221496 has 16 divisors (see below), whose sum is σ = 664760566440. Its totient is φ = 177235737120.

The previous prime is 354505221481. The next prime is 354505221533. The reversal of 354505221496 is 694122505453.

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, 2019691 + ... + 2188186.

Almost surely, 2^354505221496 is an apocalyptic number.

It is an amenable number.

354505221496 is a deficient number, since it is larger than the sum of its proper divisors (310255344944).

354505221496 is a wasteful number, since it uses less digits than its factorization.

354505221496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218414 (or 4218410 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 354505221496 in words is "three hundred fifty-four billion, five hundred five million, two hundred twenty-one thousand, four hundred ninety-six".