1973734681086 has 36 divisors (see below), whose sum is σ = 4974617004552. Its totient is φ = 563924194344.

The previous prime is 1973734681021. The next prime is 1973734681103. The reversal of 1973734681086 is 6801864373791.

1973734681086 is a `hidden beast` number, since 1 + 97 + 3 + 7 + 3 + 468 + 1 + 0 + 86 = 666.

It is a super-2 number, since 2×1973734681086² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1118896330 + ... + 1118898093.

It is an arithmetic number, because the mean of its divisors is an integer number (138183805682).

Almost surely, 2^{1973734681086} is an apocalyptic number.

1973734681086 is an abundant number, since it is smaller than the sum of its proper divisors (3000882323466).

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

1973734681086 is a wasteful number, since it uses less digits than its factorization.

1973734681086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237794445 (or 2237794435 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 1973734681086 in words is "one trillion, nine hundred seventy-three billion, seven hundred thirty-four million, six hundred eighty-one thousand, eighty-six".