2307993151681 has 8 divisors (see below), whose sum is σ = 2637720690624. Its totient is φ = 1978269170640.

The previous prime is 2307993151661. The next prime is 2307993151733. The reversal of 2307993151681 is 1861513997032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2307993151681 - 2¹⁹ = 2307992627393 is a prime.

It is a super-2 number, since 2×2307993151681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2307993151621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686826 + ... + 2255596.

It is an arithmetic number, because the mean of its divisors is an integer number (329715086328).

Almost surely, 2^{2307993151681} is an apocalyptic number.

It is an amenable number.

2307993151681 is a deficient number, since it is larger than the sum of its proper divisors (329727538943).

2307993151681 is a wasteful number, since it uses less digits than its factorization.

2307993151681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778951.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 2307993151681 in words is "two trillion, three hundred seven billion, nine hundred ninety-three million, one hundred fifty-one thousand, six hundred eighty-one".