2263541980637 has 4 divisors (see below), whose sum is σ = 2586905120736. Its totient is φ = 1940178840540.

The previous prime is 2263541980603. The next prime is 2263541980723. The reversal of 2263541980637 is 7360891453622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2263541980637 - 2¹⁶ = 2263541915101 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 (2263541970637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161681570039 + ... + 161681570052.

It is an arithmetic number, because the mean of its divisors is an integer number (646726280184).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2263541980637 = 4527083961274, but 3⋅2263541980637 = 6790625941911 is not.

Almost surely, 2^{2263541980637} is an apocalyptic number.

It is an amenable number.

2263541980637 is a deficient number, since it is larger than the sum of its proper divisors (323363140099).

2263541980637 is an equidigital number, since it uses as much as digits as its factorization.

2263541980637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323363140098.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 2263541980637 in words is "two trillion, two hundred sixty-three billion, five hundred forty-one million, nine hundred eighty thousand, six hundred thirty-seven".