4978115519 has 4 divisors (see below), whose sum is σ = 5361047496. Its totient is φ = 4595183544.

The previous prime is 4978115509. The next prime is 4978115537. The reversal of 4978115519 is 9155118794.

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 4978115519 - 2³² = 683148223 is a prime.

It is a super-2 number, since 2×4978115519² = 49563268241017278722, 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 (4978115509) 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, 191465969 + ... + 191465994.

It is an arithmetic number, because the mean of its divisors is an integer number (1340261874).

Almost surely, 2^4978115519 is an apocalyptic number.

4978115519 is a deficient number, since it is larger than the sum of its proper divisors (382931977).

4978115519 is a wasteful number, since it uses less digits than its factorization.

4978115519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382931976.

The product of its digits is 453600, while the sum is 50.

The square root of 4978115519 is about 70555.7617703898. The cubic root of 4978115519 is about 1707.4775022385.

The spelling of 4978115519 in words is "four billion, nine hundred seventy-eight million, one hundred fifteen thousand, five hundred nineteen".