2659941015426 has 48 divisors (see below), whose sum is σ = 5897719260576. Its totient is φ = 865955982528.

The previous prime is 2659941015397. The next prime is 2659941015427. The reversal of 2659941015426 is 6245101499562.

It is a happy number.

2659941015426 is a `hidden beast` number, since 2 + 6 + 5 + 9 + 94 + 1 + 0 + 1 + 542 + 6 = 666.

It is a super-2 number, since 2×2659941015426² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2659941015427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9704701 + ... + 9975023.

It is an arithmetic number, because the mean of its divisors is an integer number (122869151262).

Almost surely, 2^{2659941015426} is an apocalyptic number.

2659941015426 is an abundant number, since it is smaller than the sum of its proper divisors (3237778245150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659941015426 is a wasteful number, since it uses less digits than its factorization.

2659941015426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283087 (or 283084 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 2659941015426 in words is "two trillion, six hundred fifty-nine billion, nine hundred forty-one million, fifteen thousand, four hundred twenty-six".