30277284973 has 4 divisors (see below), whose sum is σ = 32606306908. Its totient is φ = 27948263040.

The previous prime is 30277284967. The next prime is 30277284997. The reversal of 30277284973 is 37948277203.

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 10358761284 + 19918523689 = 101778^2 + 141133^2 .

It is a cyclic number.

It is not a de Polignac number, because 30277284973 - 2²¹ = 30275187821 is a prime.

It is a super-2 number, since 2×30277284973² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30277284973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30277284673) 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, 1164510948 + ... + 1164510973.

It is an arithmetic number, because the mean of its divisors is an integer number (8151576727).

Almost surely, 2^30277284973 is an apocalyptic number.

It is an amenable number.

30277284973 is a deficient number, since it is larger than the sum of its proper divisors (2329021935).

30277284973 is a wasteful number, since it uses less digits than its factorization.

30277284973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329021934.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 30277284973 in words is "thirty billion, two hundred seventy-seven million, two hundred eighty-four thousand, nine hundred seventy-three".