2102916729 has 16 divisors (see below), whose sum is σ = 2813966912. Its totient is φ = 1396916928.

The previous prime is 2102916727. The next prime is 2102916737. The reversal of 2102916729 is 9276192012.

It is not a de Polignac number, because 2102916729 - 2¹ = 2102916727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102916727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446567 + ... + 1448019.

It is an arithmetic number, because the mean of its divisors is an integer number (175872932).

Almost surely, 2^2102916729 is an apocalyptic number.

It is an amenable number.

2102916729 is a deficient number, since it is larger than the sum of its proper divisors (711050183).

2102916729 is a wasteful number, since it uses less digits than its factorization.

2102916729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 2102916729 is about 45857.5700293856. The cubic root of 2102916729 is about 1281.1717641096.

The spelling of 2102916729 in words is "two billion, one hundred two million, nine hundred sixteen thousand, seven hundred twenty-nine".