2541440993 has 32 divisors (see below), whose sum is σ = 3351995136. Its totient is φ = 1869631488.

The previous prime is 2541440983. The next prime is 2541441037. The reversal of 2541440993 is 3990441452.

It is a cyclic number.

It is not a de Polignac number, because 2541440993 - 2¹² = 2541436897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2541440993.

It is not an unprimeable number, because it can be changed into a prime (2541440983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118505 + ... + 138297.

It is an arithmetic number, because the mean of its divisors is an integer number (104749848).

Almost surely, 2^2541440993 is an apocalyptic number.

It is an amenable number.

2541440993 is a deficient number, since it is larger than the sum of its proper divisors (810554143).

2541440993 is a wasteful number, since it uses less digits than its factorization.

2541440993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19913.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2541440993 is about 50412.7066621105. The cubic root of 2541440993 is about 1364.6669598567. Note that the first 3 decimals are identical.

The spelling of 2541440993 in words is "two billion, five hundred forty-one million, four hundred forty thousand, nine hundred ninety-three".