354834653316621 has 8 divisors (see below), whose sum is σ = 473113253721504. Its totient is φ = 236556244228080.

The previous prime is 354834653316613. The next prime is 354834653316629. The reversal of 354834653316621 is 126613356438453.

It is an interprime number because it is at equal distance from previous prime (354834653316613) and next prime (354834653316629).

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

It is not a de Polignac number, because 354834653316621 - 2³ = 354834653316613 is a prime.

It is a super-2 number, since 2×354834653316621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354834653316629) 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, 43444015 + ... + 50961276.

It is an arithmetic number, because the mean of its divisors is an integer number (59139156715188).

Almost surely, 2^{354834653316621} is an apocalyptic number.

It is an amenable number.

354834653316621 is a deficient number, since it is larger than the sum of its proper divisors (118278600404883).

354834653316621 is a wasteful number, since it uses less digits than its factorization.

354834653316621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95658171.

The product of its digits is 111974400, while the sum is 60.

The spelling of 354834653316621 in words is "three hundred fifty-four trillion, eight hundred thirty-four billion, six hundred fifty-three million, three hundred sixteen thousand, six hundred twenty-one".