578045725919 has 4 divisors (see below), whose sum is σ = 579904394160. Its totient is φ = 576187057680.

The previous prime is 578045725913. The next prime is 578045725991. The reversal of 578045725919 is 919527540875.

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-578045725919 is a prime.

It is a super-2 number, since 2×578045725919² (a number of 24 digits) 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 (578045725913) 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, 929333654 + ... + 929334275.

It is an arithmetic number, because the mean of its divisors is an integer number (144976098540).

Almost surely, 2^578045725919 is an apocalyptic number.

578045725919 is a deficient number, since it is larger than the sum of its proper divisors (1858668241).

578045725919 is a wasteful number, since it uses less digits than its factorization.

578045725919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858668240.

The product of its (nonzero) digits is 31752000, while the sum is 62.

The spelling of 578045725919 in words is "five hundred seventy-eight billion, forty-five million, seven hundred twenty-five thousand, nine hundred nineteen".