2948687869 has 4 divisors (see below), whose sum is σ = 2949308380. Its totient is φ = 2948067360.

The previous prime is 2948687827. The next prime is 2948687971. The reversal of 2948687869 is 9687868492.

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 884348644 + 2064339225 = 29738^2 + 45435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2948687869 - 2²³ = 2940299261 is a prime.

It is a super-3 number, since 3×2948687869³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948607869) 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, 303072 + ... + 312649.

It is an arithmetic number, because the mean of its divisors is an integer number (737327095).

Almost surely, 2^2948687869 is an apocalyptic number.

It is an amenable number.

2948687869 is a deficient number, since it is larger than the sum of its proper divisors (620511).

2948687869 is an equidigital number, since it uses as much as digits as its factorization.

2948687869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620510.

The product of its digits is 83607552, while the sum is 67.

The square root of 2948687869 is about 54301.8219675915. The cubic root of 2948687869 is about 1433.9794722942.

The spelling of 2948687869 in words is "two billion, nine hundred forty-eight million, six hundred eighty-seven thousand, eight hundred sixty-nine".