2690666417841 has 16 divisors (see below), whose sum is σ = 3594008217600. Its totient is φ = 1790553150288.

The previous prime is 2690666417833. The next prime is 2690666417843. The reversal of 2690666417841 is 1487146660962.

It is a happy number.

It is not a de Polignac number, because 2690666417841 - 2³ = 2690666417833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2690666417843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5068500 + ... + 5574138.

It is an arithmetic number, because the mean of its divisors is an integer number (224625513600).

Almost surely, 2^{2690666417841} is an apocalyptic number.

It is an amenable number.

2690666417841 is a deficient number, since it is larger than the sum of its proper divisors (903341799759).

2690666417841 is a wasteful number, since it uses less digits than its factorization.

2690666417841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508828.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 2690666417841 in words is "two trillion, six hundred ninety billion, six hundred sixty-six million, four hundred seventeen thousand, eight hundred forty-one".