2640001741 has 4 divisors (see below), whose sum is σ = 2843078812. Its totient is φ = 2436924672.

The previous prime is 2640001739. The next prime is 2640001753. The reversal of 2640001741 is 1471000462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162052900 + 2477948841 = 12730^2 + 49779^2 .

It is not a de Polignac number, because 2640001741 - 2¹ = 2640001739 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 (2640001781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101538516 + ... + 101538541.

It is an arithmetic number, because the mean of its divisors is an integer number (710769703).

Almost surely, 2^2640001741 is an apocalyptic number.

It is an amenable number.

2640001741 is a deficient number, since it is larger than the sum of its proper divisors (203077071).

2640001741 is a wasteful number, since it uses less digits than its factorization.

2640001741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203077070.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2640001741 is about 51380.9472567410. The cubic root of 2640001741 is about 1382.0849498165.

The spelling of 2640001741 in words is "two billion, six hundred forty million, one thousand, seven hundred forty-one".