30129478403 has 16 divisors (see below), whose sum is σ = 32017700736. Its totient is φ = 28254320640.

The previous prime is 30129478381. The next prime is 30129478427. The reversal of 30129478403 is 30487492103.

It is a cyclic number.

It is not a de Polignac number, because 30129478403 - 2¹⁰ = 30129477379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30129478003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6703625 + ... + 6708117.

It is an arithmetic number, because the mean of its divisors is an integer number (2001106296).

Almost surely, 2^30129478403 is an apocalyptic number.

30129478403 is a deficient number, since it is larger than the sum of its proper divisors (1888222333).

30129478403 is a wasteful number, since it uses less digits than its factorization.

30129478403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 30129478403 in words is "thirty billion, one hundred twenty-nine million, four hundred seventy-eight thousand, four hundred three".