2055151619 has 4 divisors (see below), whose sum is σ = 2055987144. Its totient is φ = 2054316096.

The previous prime is 2055151559. The next prime is 2055151627. The reversal of 2055151619 is 9161515502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055151619 is a prime.

It is a super-2 number, since 2×2055151619² = 8447296354156642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055151669) 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, 414062 + ... + 418995.

It is an arithmetic number, because the mean of its divisors is an integer number (513996786).

Almost surely, 2^2055151619 is an apocalyptic number.

2055151619 is a deficient number, since it is larger than the sum of its proper divisors (835525).

2055151619 is an equidigital number, since it uses as much as digits as its factorization.

2055151619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835524.

The product of its (nonzero) digits is 13500, while the sum is 35.

The square root of 2055151619 is about 45333.7801093180. The cubic root of 2055151619 is about 1271.3973127724.

The spelling of 2055151619 in words is "two billion, fifty-five million, one hundred fifty-one thousand, six hundred nineteen".