104109437381 has 2 divisors, whose sum is σ = 104109437382. Its totient is φ = 104109437380.

The previous prime is 104109437363. The next prime is 104109437407. The reversal of 104109437381 is 183734901401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60791340481 + 43318096900 = 246559^2 + 208130^2 .

It is an emirp because it is prime and its reverse (183734901401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104109437381 - 2¹⁸ = 104109175237 is a prime.

It is a super-2 number, since 2×104109437381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104109437321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52054718690 + 52054718691.

It is an arithmetic number, because the mean of its divisors is an integer number (52054718691).

Almost surely, 2^104109437381 is an apocalyptic number.

It is an amenable number.

104109437381 is a deficient number, since it is larger than the sum of its proper divisors (1).

104109437381 is an equidigital number, since it uses as much as digits as its factorization.

104109437381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 104109437381 in words is "one hundred four billion, one hundred nine million, four hundred thirty-seven thousand, three hundred eighty-one".