2119501705 has 4 divisors (see below), whose sum is σ = 2543402052. Its totient is φ = 1695601360.

The previous prime is 2119501697. The next prime is 2119501711. The reversal of 2119501705 is 5071059112.

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 1550154384 + 569347321 = 39372^2 + 23861^2 .

It is not a de Polignac number, because 2119501705 - 2³ = 2119501697 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 211950166 + ... + 211950175.

It is an arithmetic number, because the mean of its divisors is an integer number (635850513).

Almost surely, 2^2119501705 is an apocalyptic number.

It is an amenable number.

2119501705 is a deficient number, since it is larger than the sum of its proper divisors (423900347).

2119501705 is an equidigital number, since it uses as much as digits as its factorization.

2119501705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423900346.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 2119501705 is about 46038.0462769653. The cubic root of 2119501705 is about 1284.5310011573.

The spelling of 2119501705 in words is "two billion, one hundred nineteen million, five hundred one thousand, seven hundred five".