30443668749 has 32 divisors (see below), whose sum is σ = 50245977600. Its totient is φ = 18088539840.

The previous prime is 30443668693. The next prime is 30443668769. The reversal of 30443668749 is 94786634403.

It is not a de Polignac number, because 30443668749 - 2²⁸ = 30175233293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30443668695 and 30443668704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443668769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485237 + ... + 1505594.

It is an arithmetic number, because the mean of its divisors is an integer number (1570186800).

Almost surely, 2^30443668749 is an apocalyptic number.

30443668749 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30443668749 is a deficient number, since it is larger than the sum of its proper divisors (19802308851).

30443668749 is a wasteful number, since it uses less digits than its factorization.

30443668749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990882 (or 2990876 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 30443668749 in words is "thirty billion, four hundred forty-three million, six hundred sixty-eight thousand, seven hundred forty-nine".