2126662436263 has 4 divisors (see below), whose sum is σ = 2195264450368. Its totient is φ = 2058060422160.

The previous prime is 2126662436251. The next prime is 2126662436287. The reversal of 2126662436263 is 3626342666212.

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 2126662436263 - 2¹³ = 2126662428071 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 (2126662436243) 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, 34301007006 + ... + 34301007067.

It is an arithmetic number, because the mean of its divisors is an integer number (548816112592).

Almost surely, 2^{2126662436263} is an apocalyptic number.

2126662436263 is a deficient number, since it is larger than the sum of its proper divisors (68602014105).

2126662436263 is an equidigital number, since it uses as much as digits as its factorization.

2126662436263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68602014104.

The product of its digits is 4478976, while the sum is 49.

The spelling of 2126662436263 in words is "two trillion, one hundred twenty-six billion, six hundred sixty-two million, four hundred thirty-six thousand, two hundred sixty-three".