2541693318 has 16 divisors (see below), whose sum is σ = 5220775920. Its totient is φ = 824332896.

The previous prime is 2541693311. The next prime is 2541693331. The reversal of 2541693318 is 8133961452.

It is a self number, because there is not a number n which added to its sum of digits gives 2541693318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541693311) 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, 5724313 + ... + 5724756.

It is an arithmetic number, because the mean of its divisors is an integer number (326298495).

Almost surely, 2^2541693318 is an apocalyptic number.

2541693318 is an abundant number, since it is smaller than the sum of its proper divisors (2679082602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541693318 is a wasteful number, since it uses less digits than its factorization.

2541693318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11449111.

The product of its digits is 155520, while the sum is 42.

The square root of 2541693318 is about 50415.2091932583. The cubic root of 2541693318 is about 1364.7121216627.

The spelling of 2541693318 in words is "two billion, five hundred forty-one million, six hundred ninety-three thousand, three hundred eighteen".