354958775321 has 8 divisors (see below), whose sum is σ = 361049304840. Its totient is φ = 348901437312.

The previous prime is 354958775293. The next prime is 354958775351. The reversal of 354958775321 is 123577859453.

It can be written as a sum of positive squares in 4 ways, for example, as 103321102096 + 251637673225 = 321436^2 + 501635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354958775321 - 2²² = 354954581017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354958775351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8276306 + ... + 8319083.

It is an arithmetic number, because the mean of its divisors is an integer number (45131163105).

Almost surely, 2^354958775321 is an apocalyptic number.

It is an amenable number.

354958775321 is a deficient number, since it is larger than the sum of its proper divisors (6090529519).

354958775321 is a wasteful number, since it uses less digits than its factorization.

354958775321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595755.

The product of its digits is 31752000, while the sum is 59.

The spelling of 354958775321 in words is "three hundred fifty-four billion, nine hundred fifty-eight million, seven hundred seventy-five thousand, three hundred twenty-one".