126964381919489 has 16 divisors (see below), whose sum is σ = 127240372546560. Its totient is φ = 126688726200960.

The previous prime is 126964381919461. The next prime is 126964381919503. The reversal of 126964381919489 is 984919183469621.

It is a cyclic number.

It is not a de Polignac number, because 126964381919489 - 2⁴⁴ = 109372195875073 is a prime.

It is a super-2 number, since 2×126964381919489² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126964381918489) 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, 4598312294 + ... + 4598339904.

It is an arithmetic number, because the mean of its divisors is an integer number (7952523284160).

Almost surely, 2^{126964381919489} is an apocalyptic number.

It is an amenable number.

126964381919489 is a deficient number, since it is larger than the sum of its proper divisors (275990627071).

126964381919489 is a wasteful number, since it uses less digits than its factorization.

126964381919489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320.

The product of its digits is 1451188224, while the sum is 80.

The spelling of 126964381919489 in words is "one hundred twenty-six trillion, nine hundred sixty-four billion, three hundred eighty-one million, nine hundred nineteen thousand, four hundred eighty-nine".