2091362629205 has 4 divisors (see below), whose sum is σ = 2509635155052. Its totient is φ = 1673090103360.

The previous prime is 2091362629171. The next prime is 2091362629219. The reversal of 2091362629205 is 5029262631902.

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 1067586964081 + 1023775665124 = 1033241^2 + 1011818^2 .

It is not a de Polignac number, because 2091362629205 - 2¹⁰ = 2091362628181 is a prime.

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 2091362629205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209136262916 + ... + 209136262925.

It is an arithmetic number, because the mean of its divisors is an integer number (627408788763).

Almost surely, 2^{2091362629205} is an apocalyptic number.

It is an amenable number.

2091362629205 is a deficient number, since it is larger than the sum of its proper divisors (418272525847).

2091362629205 is an equidigital number, since it uses as much as digits as its factorization.

2091362629205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418272525846.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 2091362629205 in words is "two trillion, ninety-one billion, three hundred sixty-two million, six hundred twenty-nine thousand, two hundred five".