30379814644 has 12 divisors (see below), whose sum is σ = 53691059268. Its totient is φ = 15039512000.

The previous prime is 30379814581. The next prime is 30379814659. The reversal of 30379814644 is 44641897303.

It can be written as a sum of positive squares in 2 ways, for example, as 12793872100 + 17585942544 = 113110^2 + 132612^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37598377 + ... + 37599184.

It is an arithmetic number, because the mean of its divisors is an integer number (4474254939).

Almost surely, 2^30379814644 is an apocalyptic number.

It is an amenable number.

30379814644 is a deficient number, since it is larger than the sum of its proper divisors (23311244624).

30379814644 is a wasteful number, since it uses less digits than its factorization.

30379814644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75197666 (or 75197664 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 30379814644 in words is "thirty billion, three hundred seventy-nine million, eight hundred fourteen thousand, six hundred forty-four".