2126361028619 has 16 divisors (see below), whose sum is σ = 2253784393728. Its totient is φ = 1999198789632.

The previous prime is 2126361028609. The next prime is 2126361028681. The reversal of 2126361028619 is 9168201636212.

It is a cyclic number.

It is not a de Polignac number, because 2126361028619 - 2³⁶ = 2057641551883 is a prime.

It is a super-2 number, since 2×2126361028619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126361028609) 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, 131842934 + ... + 131859060.

It is an arithmetic number, because the mean of its divisors is an integer number (140861524608).

Almost surely, 2^{2126361028619} is an apocalyptic number.

2126361028619 is a deficient number, since it is larger than the sum of its proper divisors (127423365109).

2126361028619 is a wasteful number, since it uses less digits than its factorization.

2126361028619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23734.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 2126361028619 in words is "two trillion, one hundred twenty-six billion, three hundred sixty-one million, twenty-eight thousand, six hundred nineteen".