354671650052473 has 4 divisors (see below), whose sum is σ = 381954084671908. Its totient is φ = 327389215433040.

The previous prime is 354671650052459. The next prime is 354671650052513. The reversal of 354671650052473 is 374250056176453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200965015021369 + 153706635031104 = 14176213^2 + 12397848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354671650052473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354671650059473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13641217309698 + ... + 13641217309723.

It is an arithmetic number, because the mean of its divisors is an integer number (95488521167977).

Almost surely, 2^{354671650052473} is an apocalyptic number.

It is an amenable number.

354671650052473 is a deficient number, since it is larger than the sum of its proper divisors (27282434619435).

354671650052473 is a wasteful number, since it uses less digits than its factorization.

354671650052473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27282434619434.

The product of its (nonzero) digits is 63504000, while the sum is 58.

The spelling of 354671650052473 in words is "three hundred fifty-four trillion, six hundred seventy-one billion, six hundred fifty million, fifty-two thousand, four hundred seventy-three".