30489740475 has 12 divisors (see below), whose sum is σ = 50409704376. Its totient is φ = 16261194880.

The previous prime is 30489740473. The next prime is 30489740483. The reversal of 30489740475 is 57404798403.

It is not a de Polignac number, because 30489740475 - 2¹ = 30489740473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30489740473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203264862 + ... + 203265011.

It is an arithmetic number, because the mean of its divisors is an integer number (4200808698).

Almost surely, 2^30489740475 is an apocalyptic number.

30489740475 is a deficient number, since it is larger than the sum of its proper divisors (19919963901).

30489740475 is a wasteful number, since it uses less digits than its factorization.

30489740475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406529886 (or 406529881 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 30489740475 in words is "thirty billion, four hundred eighty-nine million, seven hundred forty thousand, four hundred seventy-five".