5681958387354 has 24 divisors (see below), whose sum is σ = 12316906465812. Its totient is φ = 1893063571200.

The previous prime is 5681958387353. The next prime is 5681958387377. The reversal of 5681958387354 is 4537838591865.

5681958387354 is a `hidden beast` number, since 5 + 6 + 8 + 1 + 9 + 583 + 8 + 7 + 35 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5291964382329 + 389994005025 = 2300427^2 + 624495^2 .

It is a super-2 number, since 2×5681958387354² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5681958387353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76841847 + ... + 76915754.

Almost surely, 2^{5681958387354} is an apocalyptic number.

5681958387354 is an abundant number, since it is smaller than the sum of its proper divisors (6634948078458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681958387354 is a wasteful number, since it uses less digits than its factorization.

5681958387354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153759662 (or 153759659 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 72.

The spelling of 5681958387354 in words is "five trillion, six hundred eighty-one billion, nine hundred fifty-eight million, three hundred eighty-seven thousand, three hundred fifty-four".