30448463977 has 4 divisors (see below), whose sum is σ = 30642403396. Its totient is φ = 30254524560.

The previous prime is 30448463971. The next prime is 30448464037. The reversal of 30448463977 is 77936484403.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8740567081 + 21707896896 = 93491^2 + 147336^2 .

It is a cyclic number.

It is not a de Polignac number, because 30448463977 - 2³¹ = 28300980329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30448463971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96969474 + ... + 96969787.

It is an arithmetic number, because the mean of its divisors is an integer number (7660600849).

Almost surely, 2^30448463977 is an apocalyptic number.

It is an amenable number.

30448463977 is a deficient number, since it is larger than the sum of its proper divisors (193939419).

30448463977 is a wasteful number, since it uses less digits than its factorization.

30448463977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193939418.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 30448463977 in words is "thirty billion, four hundred forty-eight million, four hundred sixty-three thousand, nine hundred seventy-seven".