2578749383 has 8 divisors (see below), whose sum is σ = 2973223968. Its totient is φ = 2190795264.

The previous prime is 2578749361. The next prime is 2578749413. The reversal of 2578749383 is 3839478752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2578749383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578749583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629266 + ... + 1630847.

It is an arithmetic number, because the mean of its divisors is an integer number (371652996).

Almost surely, 2^2578749383 is an apocalyptic number.

2578749383 is a deficient number, since it is larger than the sum of its proper divisors (394474585).

2578749383 is a wasteful number, since it uses less digits than its factorization.

2578749383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260233.

The product of its digits is 10160640, while the sum is 56.

The square root of 2578749383 is about 50781.3881555044. The cubic root of 2578749383 is about 1371.3123239601.

The spelling of 2578749383 in words is "two billion, five hundred seventy-eight million, seven hundred forty-nine thousand, three hundred eighty-three".