30723047049 has 48 divisors (see below), whose sum is σ = 43197860160. Its totient is φ = 19411941120.

The previous prime is 30723047009. The next prime is 30723047057. The reversal of 30723047049 is 94074032703.

It is not a de Polignac number, because 30723047049 - 2⁹ = 30723046537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30723046998 and 30723047016.

It is not an unprimeable number, because it can be changed into a prime (30723047009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30328267 + ... + 30329279.

It is an arithmetic number, because the mean of its divisors is an integer number (899955420).

Almost surely, 2^30723047049 is an apocalyptic number.

It is an amenable number.

30723047049 is a deficient number, since it is larger than the sum of its proper divisors (12474813111).

30723047049 is a wasteful number, since it uses less digits than its factorization.

30723047049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 30723047049 in words is "thirty billion, seven hundred twenty-three million, forty-seven thousand, forty-nine".