4978912319 has 4 divisors (see below), whose sum is σ = 4981989240. Its totient is φ = 4975835400.

The previous prime is 4978912283. The next prime is 4978912333. The reversal of 4978912319 is 9132198794.

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

It is a cyclic number.

It is not a de Polignac number, because 4978912319 - 2⁸ = 4978912063 is a prime.

It is a super-2 number, since 2×4978912319² = 49579135760579915522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978912339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536032 + ... + 1539269.

It is an arithmetic number, because the mean of its divisors is an integer number (1245497310).

Almost surely, 2^4978912319 is an apocalyptic number.

4978912319 is a deficient number, since it is larger than the sum of its proper divisors (3076921).

4978912319 is a wasteful number, since it uses less digits than its factorization.

4978912319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076920.

The product of its digits is 979776, while the sum is 53.

The square root of 4978912319 is about 70561.4081421282. The cubic root of 4978912319 is about 1707.5685973183.

The spelling of 4978912319 in words is "four billion, nine hundred seventy-eight million, nine hundred twelve thousand, three hundred nineteen".