2541869578 has 8 divisors (see below), whose sum is σ = 3901474368. Its totient is φ = 1241378124.

The previous prime is 2541869531. The next prime is 2541869581. The reversal of 2541869578 is 8759681452.

It is a happy number.

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

It is a super-2 number, since 2×2541869578² = 12922201903123796168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14778226 + ... + 14778397.

It is an arithmetic number, because the mean of its divisors is an integer number (487684296).

Almost surely, 2^2541869578 is an apocalyptic number.

2541869578 is a deficient number, since it is larger than the sum of its proper divisors (1359604790).

2541869578 is a wasteful number, since it uses less digits than its factorization.

2541869578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29556668.

The product of its digits is 4838400, while the sum is 55.

The square root of 2541869578 is about 50416.9572465455. The cubic root of 2541869578 is about 1364.7436673776.

The spelling of 2541869578 in words is "two billion, five hundred forty-one million, eight hundred sixty-nine thousand, five hundred seventy-eight".