2106759994 has 4 divisors (see below), whose sum is σ = 3160139994. Its totient is φ = 1053379996.

The previous prime is 2106759937. The next prime is 2106759997. The reversal of 2106759994 is 4999576012.

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., 1360650769 + 746109225 = 36887^2 + 27315^2 .

It is not an unprimeable number, because it can be changed into a prime (2106759997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526689997 + ... + 526690000.

Almost surely, 2^2106759994 is an apocalyptic number.

2106759994 is a deficient number, since it is larger than the sum of its proper divisors (1053380000).

2106759994 is a wasteful number, since it uses less digits than its factorization.

2106759994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053379999.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2106759994 is about 45899.4552690988. The cubic root of 2106759994 is about 1281.9517737608.

The spelling of 2106759994 in words is "two billion, one hundred six million, seven hundred fifty-nine thousand, nine hundred ninety-four".