2541746349 has 12 divisors (see below), whose sum is σ = 3676271196. Its totient is φ = 1692254592.

The previous prime is 2541746321. The next prime is 2541746351. The reversal of 2541746349 is 9436471452.

2541746349 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 7 + 4 + 634 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2071160100 + 470586249 = 45510^2 + 21693^2 .

It is not a de Polignac number, because 2541746349 - 2²³ = 2533357741 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541746359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179724 + ... + 193349.

It is an arithmetic number, because the mean of its divisors is an integer number (306355933).

Almost surely, 2^2541746349 is an apocalyptic number.

It is an amenable number.

2541746349 is a deficient number, since it is larger than the sum of its proper divisors (1134524847).

2541746349 is a wasteful number, since it uses less digits than its factorization.

2541746349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373836 (or 373833 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 2541746349 is about 50415.7351329920. The cubic root of 2541746349 is about 1364.7216129134.

The spelling of 2541746349 in words is "two billion, five hundred forty-one million, seven hundred forty-six thousand, three hundred forty-nine".