705740238381 has 24 divisors (see below), whose sum is σ = 986890103680. Its totient is φ = 448519204224.

The previous prime is 705740238367. The next prime is 705740238421. The reversal of 705740238381 is 183832047507.

It is not a de Polignac number, because 705740238381 - 2¹⁴ = 705740221997 is a prime.

It is a super-2 number, since 2×705740238381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705740238381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705740238361) 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 23 ways as a sum of consecutive naturals, for example, 1571080 + ... + 1969713.

Almost surely, 2^705740238381 is an apocalyptic number.

It is an amenable number.

705740238381 is a deficient number, since it is larger than the sum of its proper divisors (281149865299).

705740238381 is a wasteful number, since it uses less digits than its factorization.

705740238381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540933 (or 3540904 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 705740238381 in words is "seven hundred five billion, seven hundred forty million, two hundred thirty-eight thousand, three hundred eighty-one".