2669021977505 has 16 divisors (see below), whose sum is σ = 3467256274944. Its totient is φ = 1960650851520.

The previous prime is 2669021977483. The next prime is 2669021977507. The reversal of 2669021977505 is 5057791209662.

It is a happy number.

It is not a de Polignac number, because 2669021977505 - 2⁸ = 2669021977249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669021977507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107479409 + ... + 107504238.

It is an arithmetic number, because the mean of its divisors is an integer number (216703517184).

Almost surely, 2^{2669021977505} is an apocalyptic number.

It is an amenable number.

2669021977505 is a deficient number, since it is larger than the sum of its proper divisors (798234297439).

2669021977505 is a wasteful number, since it uses less digits than its factorization.

2669021977505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214983856.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 2669021977505 in words is "two trillion, six hundred sixty-nine billion, twenty-one million, nine hundred seventy-seven thousand, five hundred five".