30003900399 has 72 divisors (see below), whose sum is σ = 49082022080. Its totient is φ = 17635812480.

The previous prime is 30003900383. The next prime is 30003900401. The reversal of 30003900399 is 99300930003.

It is not a de Polignac number, because 30003900399 - 2⁴ = 30003900383 is a prime.

It is a super-4 number, since 4×30003900399⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003900319) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14786517 + ... + 14788545.

Almost surely, 2^30003900399 is an apocalyptic number.

30003900399 is a deficient number, since it is larger than the sum of its proper divisors (19078121681).

30003900399 is a wasteful number, since it uses less digits than its factorization.

30003900399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The spelling of 30003900399 in words is "thirty billion, three million, nine hundred thousand, three hundred ninety-nine".