2126656615413 has 16 divisors (see below), whose sum is σ = 3165256359936. Its totient is φ = 1258908777840.

The previous prime is 2126656615411. The next prime is 2126656615453. The reversal of 2126656615413 is 3145166566212.

It is a happy number.

It is not a de Polignac number, because 2126656615413 - 2¹ = 2126656615411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126656615411) 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, 749349045 + ... + 749351882.

It is an arithmetic number, because the mean of its divisors is an integer number (197828522496).

Almost surely, 2^{2126656615413} is an apocalyptic number.

It is an amenable number.

2126656615413 is a deficient number, since it is larger than the sum of its proper divisors (1038599744523).

2126656615413 is a wasteful number, since it uses less digits than its factorization.

2126656615413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498700984.

The product of its digits is 1555200, while the sum is 48.

The spelling of 2126656615413 in words is "two trillion, one hundred twenty-six billion, six hundred fifty-six million, six hundred fifteen thousand, four hundred thirteen".