547869913946 has 4 divisors (see below), whose sum is σ = 821804870922. Its totient is φ = 273934956972.

The previous prime is 547869913933. The next prime is 547869913957. The reversal of 547869913946 is 649319968745.

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

It can be written as a sum of positive squares in only one way, i.e., 513408075625 + 34461838321 = 716525^2 + 185639^2 .

It is a super-3 number, since 3×547869913946³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 547869913946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136967478485 + ... + 136967478488.

Almost surely, 2^547869913946 is an apocalyptic number.

547869913946 is a deficient number, since it is larger than the sum of its proper divisors (273934956976).

547869913946 is a wasteful number, since it uses less digits than its factorization.

547869913946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273934956975.

The product of its digits is 352719360, while the sum is 71.

The spelling of 547869913946 in words is "five hundred forty-seven billion, eight hundred sixty-nine million, nine hundred thirteen thousand, nine hundred forty-six".