30305742593949 has 8 divisors (see below), whose sum is σ = 44897396435520. Its totient is φ = 20203828395948.

The previous prime is 30305742593939. The next prime is 30305742593983. The reversal of 30305742593949 is 94939524750303.

30305742593949 is a `hidden beast` number, since 3 + 0 + 3 + 0 + 574 + 2 + 59 + 3 + 9 + 4 + 9 = 666.

It is not a de Polignac number, because 30305742593949 - 2²⁵ = 30305709039517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305742593939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561217455417 + ... + 561217455470.

It is an arithmetic number, because the mean of its divisors is an integer number (5612174554440).

Almost surely, 2^{30305742593949} is an apocalyptic number.

It is an amenable number.

30305742593949 is a deficient number, since it is larger than the sum of its proper divisors (14591653841571).

30305742593949 is a wasteful number, since it uses less digits than its factorization.

30305742593949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122434910896 (or 1122434910890 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 63.

The spelling of 30305742593949 in words is "thirty trillion, three hundred five billion, seven hundred forty-two million, five hundred ninety-three thousand, nine hundred forty-nine".