2661450632303 has 4 divisors (see below), whose sum is σ = 2661489789360. Its totient is φ = 2661411475248.

The previous prime is 2661450632279. The next prime is 2661450632341. The reversal of 2661450632303 is 3032360541662.

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

It is a cyclic number.

It is not a de Polignac number, because 2661450632303 - 2¹⁴ = 2661450615919 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 (2661453632303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19476398 + ... + 19612571.

It is an arithmetic number, because the mean of its divisors is an integer number (665372447340).

Almost surely, 2^{2661450632303} is an apocalyptic number.

2661450632303 is a deficient number, since it is larger than the sum of its proper divisors (39157057).

2661450632303 is an equidigital number, since it uses as much as digits as its factorization.

2661450632303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39157056.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 2661450632303 in words is "two trillion, six hundred sixty-one billion, four hundred fifty million, six hundred thirty-two thousand, three hundred three".