2667313121989 has 4 divisors (see below), whose sum is σ = 2667499128460. Its totient is φ = 2667127115520.

The previous prime is 2667313121971. The next prime is 2667313122017. The reversal of 2667313121989 is 9891213137662.

It is a happy number.

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 108624953889 + 2558688168100 = 329583^2 + 1599590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667313121989 - 2¹¹ = 2667313119941 is a prime.

It is a super-2 number, since 2×2667313121989² (a number of 26 digits) 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 (2667313121939) 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, 92981724 + ... + 93010405.

It is an arithmetic number, because the mean of its divisors is an integer number (666874782115).

Almost surely, 2^{2667313121989} is an apocalyptic number.

It is an amenable number.

2667313121989 is a deficient number, since it is larger than the sum of its proper divisors (186006471).

2667313121989 is a wasteful number, since it uses less digits than its factorization.

2667313121989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186006470.

The product of its digits is 5878656, while the sum is 58.

The spelling of 2667313121989 in words is "two trillion, six hundred sixty-seven billion, three hundred thirteen million, one hundred twenty-one thousand, nine hundred eighty-nine".