30549778025133 has 4 divisors (see below), whose sum is σ = 40733037366848. Its totient is φ = 20366518683420.

The previous prime is 30549778025101. The next prime is 30549778025191. The reversal of 30549778025133 is 33152087794503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30549778025133 - 2⁵ = 30549778025101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30549778025033) 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, 5091629670853 + ... + 5091629670858.

It is an arithmetic number, because the mean of its divisors is an integer number (10183259341712).

Almost surely, 2^{30549778025133} is an apocalyptic number.

It is an amenable number.

30549778025133 is a deficient number, since it is larger than the sum of its proper divisors (10183259341715).

30549778025133 is a wasteful number, since it uses less digits than its factorization.

30549778025133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183259341714.

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 30549778025133 in words is "thirty trillion, five hundred forty-nine billion, seven hundred seventy-eight million, twenty-five thousand, one hundred thirty-three".