2108152769 has 4 divisors (see below), whose sum is σ = 2112007344. Its totient is φ = 2104298196.

The previous prime is 2108152757. The next prime is 2108152807. The reversal of 2108152769 is 9672518012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2108152769 - 2¹² = 2108148673 is a prime.

It is a super-2 number, since 2×2108152769² = 8888616194884734722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108152369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926467 + ... + 1927560.

It is an arithmetic number, because the mean of its divisors is an integer number (528001836).

Almost surely, 2^2108152769 is an apocalyptic number.

It is an amenable number.

2108152769 is a deficient number, since it is larger than the sum of its proper divisors (3854575).

2108152769 is an equidigital number, since it uses as much as digits as its factorization.

2108152769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854574.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 2108152769 is about 45914.6247833955. The cubic root of 2108152769 is about 1282.2342101519.

The spelling of 2108152769 in words is "two billion, one hundred eight million, one hundred fifty-two thousand, seven hundred sixty-nine".