30154309999 has 4 divisors (see below), whose sum is σ = 32895610920. Its totient is φ = 27413009080.

The previous prime is 30154309957. The next prime is 30154310009. The reversal of 30154309999 is 99990345103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30154309999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30154309699) 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 3 ways as a sum of consecutive naturals, for example, 1370650444 + ... + 1370650465.

It is an arithmetic number, because the mean of its divisors is an integer number (8223902730).

Almost surely, 2^30154309999 is an apocalyptic number.

30154309999 is a deficient number, since it is larger than the sum of its proper divisors (2741300921).

30154309999 is a wasteful number, since it uses less digits than its factorization.

30154309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741300920.

The product of its (nonzero) digits is 1180980, while the sum is 52.

The spelling of 30154309999 in words is "thirty billion, one hundred fifty-four million, three hundred nine thousand, nine hundred ninety-nine".