2231573706779 has 16 divisors (see below), whose sum is σ = 2349377186112. Its totient is φ = 2115504534528.

The previous prime is 2231573706731. The next prime is 2231573706797. The reversal of 2231573706779 is 9776073751322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2231573706779 - 2¹⁶ = 2231573641243 is a prime.

It is a super-3 number, since 3×2231573706779³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231573706799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52564349 + ... + 52606785.

It is an arithmetic number, because the mean of its divisors is an integer number (146836074132).

Almost surely, 2^{2231573706779} is an apocalyptic number.

2231573706779 is a deficient number, since it is larger than the sum of its proper divisors (117803479333).

2231573706779 is a wasteful number, since it uses less digits than its factorization.

2231573706779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62806.

The product of its (nonzero) digits is 23337720, while the sum is 59.

The spelling of 2231573706779 in words is "two trillion, two hundred thirty-one billion, five hundred seventy-three million, seven hundred six thousand, seven hundred seventy-nine".