3753197959681 has 2 divisors, whose sum is σ = 3753197959682. Its totient is φ = 3753197959680.

The previous prime is 3753197959663. The next prime is 3753197959727. The reversal of 3753197959681 is 1869597913573.

3753197959681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3570342516225 + 182855443456 = 1889535^2 + 427616^2 .

It is a cyclic number.

It is not a de Polignac number, because 3753197959681 - 2²⁹ = 3752661088769 is a prime.

It is a super-2 number, since 2×3753197959681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3753197959631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876598979840 + 1876598979841.

It is an arithmetic number, because the mean of its divisors is an integer number (1876598979841).

Almost surely, 2^{3753197959681} is an apocalyptic number.

It is an amenable number.

3753197959681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3753197959681 is an equidigital number, since it uses as much as digits as its factorization.

3753197959681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 385786800, while the sum is 73.

The spelling of 3753197959681 in words is "three trillion, seven hundred fifty-three billion, one hundred ninety-seven million, nine hundred fifty-nine thousand, six hundred eighty-one".