2061432126243 has 64 divisors (see below), whose sum is σ = 3675690803200. Its totient is φ = 1115435435040.

The previous prime is 2061432126239. The next prime is 2061432126277. The reversal of 2061432126243 is 3426212341602.

2061432126243 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 4 + 3 + 21 + 2 + 624 + 3 = 666.

It is not a de Polignac number, because 2061432126243 - 2² = 2061432126239 is a prime.

It is a super-2 number, since 2×2061432126243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2061432126198 and 2061432126207.

It is not an unprimeable number, because it can be changed into a prime (2061432126223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7517730 + ... + 7787112.

It is an arithmetic number, because the mean of its divisors is an integer number (57432668800).

Almost surely, 2^{2061432126243} is an apocalyptic number.

2061432126243 is a deficient number, since it is larger than the sum of its proper divisors (1614258676957).

2061432126243 is a wasteful number, since it uses less digits than its factorization.

2061432126243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271549 (or 271543 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 2061432126243 its reverse (3426212341602), we get a palindrome (5487644467845).

The spelling of 2061432126243 in words is "two trillion, sixty-one billion, four hundred thirty-two million, one hundred twenty-six thousand, two hundred forty-three".