30001864849 has 4 divisors (see below), whose sum is σ = 32729307120. Its totient is φ = 27274422580.

The previous prime is 30001864831. The next prime is 30001864853. The reversal of 30001864849 is 94846810003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94846810003 = 11 ⋅8622437273.

It is a cyclic number.

It is not a de Polignac number, because 30001864849 - 2²¹ = 29999767697 is a prime.

It is a super-2 number, since 2×30001864849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001864819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363721119 + ... + 1363721140.

It is an arithmetic number, because the mean of its divisors is an integer number (8182326780).

Almost surely, 2^30001864849 is an apocalyptic number.

It is an amenable number.

30001864849 is a deficient number, since it is larger than the sum of its proper divisors (2727442271).

30001864849 is a wasteful number, since it uses less digits than its factorization.

30001864849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727442270.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 30001864849 in words is "thirty billion, one million, eight hundred sixty-four thousand, eight hundred forty-nine".