2106736739 has 8 divisors (see below), whose sum is σ = 2218050000. Its totient is φ = 1995466752.

The previous prime is 2106736721. The next prime is 2106736757. The reversal of 2106736739 is 9376376012.

It is an interprime number because it is at equal distance from previous prime (2106736721) and next prime (2106736757).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106736739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106736739.

It is not an unprimeable number, because it can be changed into a prime (2106736769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152387 + ... + 165635.

It is an arithmetic number, because the mean of its divisors is an integer number (277256250).

Almost surely, 2^2106736739 is an apocalyptic number.

2106736739 is a deficient number, since it is larger than the sum of its proper divisors (111313261).

2106736739 is a wasteful number, since it uses less digits than its factorization.

2106736739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21637.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 2106736739 is about 45899.2019429532. The cubic root of 2106736739 is about 1281.9470568972.

The spelling of 2106736739 in words is "two billion, one hundred six million, seven hundred thirty-six thousand, seven hundred thirty-nine".