2102319146 has 4 divisors (see below), whose sum is σ = 3153478722. Its totient is φ = 1051159572.

The previous prime is 2102319143. The next prime is 2102319173. The reversal of 2102319146 is 6419132012.

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

It can be written as a sum of positive squares in only one way, i.e., 1439823025 + 662496121 = 37945^2 + 25739^2 .

It is not an unprimeable number, because it can be changed into a prime (2102319143) 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 as a sum of consecutive naturals, namely, 525579785 + ... + 525579788.

Almost surely, 2^2102319146 is an apocalyptic number.

2102319146 is a deficient number, since it is larger than the sum of its proper divisors (1051159576).

2102319146 is a wasteful number, since it uses less digits than its factorization.

2102319146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051159575.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2102319146 is about 45851.0539246373. The cubic root of 2102319146 is about 1281.0503963307.

The spelling of 2102319146 in words is "two billion, one hundred two million, three hundred nineteen thousand, one hundred forty-six".