354552620643 has 48 divisors (see below), whose sum is σ = 563112504864. Its totient is φ = 213649228800.

The previous prime is 354552620603. The next prime is 354552620647. The reversal of 354552620643 is 346026255453.

354552620643 is a `hidden beast` number, since 3 + 5 + 45 + 526 + 20 + 64 + 3 = 666.

It is not a de Polignac number, because 354552620643 - 2¹² = 354552616547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354552620647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935793 + ... + 1258893.

It is an arithmetic number, because the mean of its divisors is an integer number (11731510518).

Almost surely, 2^354552620643 is an apocalyptic number.

354552620643 is a deficient number, since it is larger than the sum of its proper divisors (208559884221).

354552620643 is a wasteful number, since it uses less digits than its factorization.

354552620643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323316 (or 323313 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

The spelling of 354552620643 in words is "three hundred fifty-four billion, five hundred fifty-two million, six hundred twenty thousand, six hundred forty-three".