30476019619081 has 3 divisors (see below), whose sum is σ = 30476025139591. Its totient is φ = 30476014098572.

The previous prime is 30476019619051. The next prime is 30476019619091. The reversal of 30476019619081 is 18091691067403.

The square root of 30476019619081 is 5520509.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 30209412623481 + 266606995600 = 5496309^2 + 516340^2 .

It is not a de Polignac number, because 30476019619081 - 2⁴¹ = 28276996363529 is a prime.

It is a super-2 number, since 2×30476019619081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30476019619051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2760255 + ... + 8280763.

Almost surely, 2^{30476019619081} is an apocalyptic number.

30476019619081 is the 5520509-th square number.

30476019619081 is the 2760255-th centered octagonal number.

It is an amenable number.

30476019619081 is a deficient number, since it is larger than the sum of its proper divisors (5520510).

30476019619081 is an frugal number, since it uses more digits than its factorization.

30476019619081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041018 (or 5520509 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 30476019619081 in words is "thirty trillion, four hundred seventy-six billion, nineteen million, six hundred nineteen thousand, eighty-one".