2906312669 has 4 divisors (see below), whose sum is σ = 3129875196. Its totient is φ = 2682750144.

The previous prime is 2906312663. The next prime is 2906312753. The reversal of 2906312669 is 9662136092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 288660100 + 2617652569 = 16990^2 + 51163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2906312669 - 2⁸ = 2906312413 is a prime.

It is a super-2 number, since 2×2906312669² = 16893306659979807122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906312663) 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, 111781244 + ... + 111781269.

It is an arithmetic number, because the mean of its divisors is an integer number (782468799).

Almost surely, 2^2906312669 is an apocalyptic number.

It is an amenable number.

2906312669 is a deficient number, since it is larger than the sum of its proper divisors (223562527).

2906312669 is a wasteful number, since it uses less digits than its factorization.

2906312669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223562526.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 2906312669 is about 53910.2278700434. The cubic root of 2906312669 is about 1427.0771258041.

The spelling of 2906312669 in words is "two billion, nine hundred six million, three hundred twelve thousand, six hundred sixty-nine".