2069746129 has 4 divisors (see below), whose sum is σ = 2257904880. Its totient is φ = 1881587380.

The previous prime is 2069746087. The next prime is 2069746139. The reversal of 2069746129 is 9216479602.

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 2069746129 - 2²⁷ = 1935528401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2069746139) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 94079359 + ... + 94079380.

It is an arithmetic number, because the mean of its divisors is an integer number (564476220).

Almost surely, 2^2069746129 is an apocalyptic number.

It is an amenable number.

2069746129 is a deficient number, since it is larger than the sum of its proper divisors (188158751).

2069746129 is a wasteful number, since it uses less digits than its factorization.

2069746129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188158750.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2069746129 is about 45494.4626190924. The cubic root of 2069746129 is about 1274.3997952123.

The spelling of 2069746129 in words is "two billion, sixty-nine million, seven hundred forty-six thousand, one hundred twenty-nine".