100381940653 has 2 divisors, whose sum is σ = 100381940654. Its totient is φ = 100381940652.

The previous prime is 100381940647. The next prime is 100381940717. The reversal of 100381940653 is 356049183001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99651968329 + 729972324 = 315677^2 + 27018^2 .

It is an emirp because it is prime and its reverse (356049183001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100381940653 - 2¹³ = 100381932461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100381940453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50190970326 + 50190970327.

It is an arithmetic number, because the mean of its divisors is an integer number (50190970327).

Almost surely, 2^100381940653 is an apocalyptic number.

It is an amenable number.

100381940653 is a deficient number, since it is larger than the sum of its proper divisors (1).

100381940653 is an equidigital number, since it uses as much as digits as its factorization.

100381940653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 100381940653 in words is "one hundred billion, three hundred eighty-one million, nine hundred forty thousand, six hundred fifty-three".