103964691653 has 2 divisors, whose sum is σ = 103964691654. Its totient is φ = 103964691652.

The previous prime is 103964691583. The next prime is 103964691673. The reversal of 103964691653 is 356196469301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68501022529 + 35463669124 = 261727^2 + 188318^2 .

It is a cyclic number.

It is not a de Polignac number, because 103964691653 - 2²² = 103960497349 is a prime.

It is a super-2 number, since 2×103964691653² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103964691595 and 103964691604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103964691673) 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 as a sum of consecutive naturals, namely, 51982345826 + 51982345827.

It is an arithmetic number, because the mean of its divisors is an integer number (51982345827).

Almost surely, 2^103964691653 is an apocalyptic number.

It is an amenable number.

103964691653 is a deficient number, since it is larger than the sum of its proper divisors (1).

103964691653 is an equidigital number, since it uses as much as digits as its factorization.

103964691653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 103964691653 in words is "one hundred three billion, nine hundred sixty-four million, six hundred ninety-one thousand, six hundred fifty-three".