2126340338 has 4 divisors (see below), whose sum is σ = 3189510510. Its totient is φ = 1063170168.

The previous prime is 2126340329. The next prime is 2126340347. The reversal of 2126340338 is 8330436212.

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

It is an interprime number because it is at equal distance from previous prime (2126340329) and next prime (2126340347).

It can be written as a sum of positive squares in only one way, i.e., 1893381169 + 232959169 = 43513^2 + 15263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531585083 + ... + 531585086.

Almost surely, 2^2126340338 is an apocalyptic number.

2126340338 is a deficient number, since it is larger than the sum of its proper divisors (1063170172).

2126340338 is a wasteful number, since it uses less digits than its factorization.

2126340338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063170171.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2126340338 is about 46112.2580015336. The cubic root of 2126340338 is about 1285.9110433353.

The spelling of 2126340338 in words is "two billion, one hundred twenty-six million, three hundred forty thousand, three hundred thirty-eight".