2663542373 has 4 divisors (see below), whose sum is σ = 2669555328. Its totient is φ = 2657529420.

The previous prime is 2663542339. The next prime is 2663542397. The reversal of 2663542373 is 3732453662.

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 2663542373 - 2¹⁴ = 2663525989 is a prime.

It is a super-2 number, since 2×2663542373² = 14188915945532942258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2663542373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663542073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005813 + ... + 3006698.

It is an arithmetic number, because the mean of its divisors is an integer number (667388832).

Almost surely, 2^2663542373 is an apocalyptic number.

It is an amenable number.

2663542373 is a deficient number, since it is larger than the sum of its proper divisors (6012955).

2663542373 is an equidigital number, since it uses as much as digits as its factorization.

2663542373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012954.

The product of its digits is 544320, while the sum is 41.

The square root of 2663542373 is about 51609.5182403401. The cubic root of 2663542373 is about 1386.1807710025.

The spelling of 2663542373 in words is "two billion, six hundred sixty-three million, five hundred forty-two thousand, three hundred seventy-three".